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1275 |
phoenix |
/*
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* Driver for ALI 5455 Audio PCI soundcard
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* LEI HU <Lei_Hu@ali.com.tw>
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*
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* Built from:
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* drivers/sound/i810_audio
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*
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* The ALi 5455 is similar but not quite identical to the Intel ICH
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* series of controllers. Its easier to keep the driver seperated from
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* the i810 driver.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* The chipset provides five DMA channels that talk to an AC97
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* CODEC (AC97 is a digital/analog mixer standard). At its simplest
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* you get 48Khz audio with basic volume and mixer controls. At the
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* best you get rate adaption in the codec. We set the card up so
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* that we never take completion interrupts but instead keep the card
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* chasing its tail around a ring buffer. This is needed for mmap
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* mode audio and happens to work rather well for non-mmap modes too.
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*
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* The board has one output channel for PCM audio (supported) and
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* a stereo line in and mono microphone input. Again these are normally
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* locked to 48Khz only. Right now recording is not finished.
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*
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* There is no midi support, no synth support. Use timidity. To get
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* esd working you need to use esd -r 48000 as it won't probe 48KHz
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* by default. mpg123 can't handle 48Khz only audio so use xmms.
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*
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*
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* Not everyone uses 48KHz. We know of no way to detect this reliably
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* and certainly not to get the right data. If your ali audio sounds
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* stupid you may need to investigate other speeds. According to Analog
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* they tend to use a 14.318MHz clock which gives you a base rate of
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* 41194Hz.
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*
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* If you need to force a specific rate set the clocking= option
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*
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*/
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#include <linux/module.h>
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#include <linux/version.h>
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#include <linux/string.h>
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#include <linux/ctype.h>
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#include <linux/ioport.h>
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#include <linux/sched.h>
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#include <linux/delay.h>
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#include <linux/sound.h>
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#include <linux/slab.h>
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#include <linux/soundcard.h>
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#include <linux/pci.h>
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#include <asm/io.h>
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#include <asm/dma.h>
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#include <linux/init.h>
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#include <linux/poll.h>
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#include <linux/spinlock.h>
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#include <linux/smp_lock.h>
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#include <linux/ac97_codec.h>
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#include <linux/wrapper.h>
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#include <asm/uaccess.h>
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#include <asm/hardirq.h>
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#ifndef PCI_DEVICE_ID_ALI_5455
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#define PCI_DEVICE_ID_ALI_5455 0x5455
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#endif
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#ifndef PCI_VENDOR_ID_ALI
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#define PCI_VENDOR_ID_ALI 0x10b9
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#endif
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static int strict_clocking = 0;
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static unsigned int clocking = 0;
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#ifdef CONFIG_SOUND_ALI5455_CODECSPDIFOUT_PCMOUTSHARE
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static unsigned int codec_pcmout_share_spdif_locked = 48000;
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#else
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static unsigned int codec_pcmout_share_spdif_locked = 0;
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#endif
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#ifdef CONFIG_SOUND_ALI5455_CODECSPDIFOUT_CODECINDEPENDENTDMA
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static unsigned int codec_independent_spdif_locked = 48000;
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#else
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static unsigned int codec_independent_spdif_locked = 0;
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#endif
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#ifdef CONFIG_SOUND_ALI5455_CONTROLLERSPDIFOUT_PCMOUTSHARE
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static unsigned int controller_pcmout_share_spdif_locked = 48000;
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#else
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static unsigned int controller_pcmout_share_spdif_locked = 0;
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#endif
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#ifdef CONFIG_SOUND_ALI5455_CONTROLLERSPDIFOUT_CONTROLLERINDEPENDENTDMA
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static unsigned int controller_independent_spdif_locked = 48000;
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#else
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static unsigned int controller_independent_spdif_locked = 0;
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#endif
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#define ADC_RUNNING 1
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#define DAC_RUNNING 2
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#define CONTROLLER_SPDIFOUT_RUNNING 4
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#define CODEC_SPDIFOUT_RUNNING 8
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#define ALI5455_FMT_16BIT 1
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#define ALI5455_FMT_STEREO 2
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#define ALI5455_FMT_MASK 3
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#define SPDIF_ON 0x0004
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#define SURR_ON 0x0010
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#define CENTER_LFE_ON 0x0020
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#define VOL_MUTED 0x8000
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#define SPDIF_ENABLE_OUTPUT 0x00000004
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#define ALI_SPDIF_OUT_CH_STATUS 0xbf
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/* the ali5455 's array of pointers to data buffers */
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struct sg_item {
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#define BUSADDR_MASK 0xFFFFFFFE
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u32 busaddr;
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#define CON_IOC 0x80000000 /* interrupt on completion */
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#define CON_BUFPAD 0x40000000 /* pad underrun with last sample, else 0 */
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#define CON_BUFLEN_MASK 0x0000ffff /* buffer length in samples */
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u32 control;
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};
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/* An instance of the ali 5455 channel */
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#define SG_LEN 32
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struct ali_channel {
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/* these sg guys should probably be allocated
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seperately as nocache. Must be 8 byte aligned */
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struct sg_item sg[SG_LEN]; /* 32*8 */
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u32 offset; /* 4 */
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u32 port; /* 4 */
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u32 used;
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u32 num;
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};
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/*
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* we have 5 seperate dma engines. pcm in, pcm out, mc in,
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* codec independant DMA, and controller independant DMA
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* each dma engine has controlling registers. These goofy
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* names are from the datasheet, but make it easy to write
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* code while leafing through it.
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*/
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#define ENUM_ENGINE(PRE,DIG) \
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enum { \
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PRE##_BDBAR = 0x##DIG##0, /* Buffer Descriptor list Base Address */ \
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PRE##_CIV = 0x##DIG##4, /* Current Index Value */ \
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PRE##_LVI = 0x##DIG##5, /* Last Valid Index */ \
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PRE##_SR = 0x##DIG##6, /* Status Register */ \
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PRE##_PICB = 0x##DIG##8, /* Position In Current Buffer */ \
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PRE##_CR = 0x##DIG##b /* Control Register */ \
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}
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ENUM_ENGINE(OFF, 0); /* Offsets */
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ENUM_ENGINE(PI, 4); /* PCM In */
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ENUM_ENGINE(PO, 5); /* PCM Out */
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ENUM_ENGINE(MC, 6); /* Mic In */
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ENUM_ENGINE(CODECSPDIFOUT, 7); /* CODEC SPDIF OUT */
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ENUM_ENGINE(CONTROLLERSPDIFIN, A); /* CONTROLLER SPDIF In */
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ENUM_ENGINE(CONTROLLERSPDIFOUT, B); /* CONTROLLER SPDIF OUT */
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enum {
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ALI_SCR = 0x00, /* System Control Register */
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ALI_SSR = 0x04, /* System Status Register */
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ALI_DMACR = 0x08, /* DMA Control Register */
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ALI_FIFOCR1 = 0x0c, /* FIFO Control Register 1 */
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ALI_INTERFACECR = 0x10, /* Interface Control Register */
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ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */
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ALI_INTERRUPTSR = 0x18, /* Interrupt Status Register */
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ALI_FIFOCR2 = 0x1c, /* FIFO Control Register 2 */
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ALI_CPR = 0x20, /* Command Port Register */
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ALI_SPR = 0x24, /* Status Port Register */
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ALI_FIFOCR3 = 0x2c, /* FIFO Control Register 3 */
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ALI_TTSR = 0x30, /* Transmit Tag Slot Register */
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ALI_RTSR = 0x34, /* Receive Tag Slot Register */
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ALI_CSPSR = 0x38, /* Command/Status Port Status Register */
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ALI_CAS = 0x3c, /* Codec Write Semaphore Register */
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ALI_SPDIFCSR = 0xf8, /* spdif channel status register */
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ALI_SPDIFICS = 0xfc /* spdif interface control/status */
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};
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/* x-status register(x:pcm in ,pcm out, mic in,codec independent DMA.controller independent DMA) */
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/* interrupts for a dma engine */
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#define DMA_INT_FIFO (1<<4) /* fifo under/over flow */
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#define DMA_INT_COMPLETE (1<<3) /* buffer read/write complete and ioc set */
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#define DMA_INT_LVI (1<<2) /* last valid done */
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#define DMA_INT_CELV (1<<1) /* last valid is current */
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#define DMA_INT_DCH (1) /* DMA Controller Halted (happens on LVI interrupts) */ //not eqult intel
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#define DMA_INT_MASK (DMA_INT_FIFO|DMA_INT_COMPLETE|DMA_INT_LVI)
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/* interrupts for the whole chip */
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#define INT_SPDIFOUT (1<<23) /* controller spdif out INTERRUPT */
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#define INT_SPDIFIN (1<<22)
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#define INT_CODECSPDIFOUT (1<<19)
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#define INT_MICIN (1<<18)
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#define INT_PCMOUT (1<<17)
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#define INT_PCMIN (1<<16)
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#define INT_CPRAIS (1<<7)
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#define INT_SPRAIS (1<<5)
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#define INT_GPIO (1<<1)
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#define INT_MASK (INT_SPDIFOUT|INT_CODECSPDIFOUT|INT_MICIN|INT_PCMOUT|INT_PCMIN)
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#define DRIVER_VERSION "0.03-ac"
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/* magic numbers to protect our data structures */
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#define ALI5455_CARD_MAGIC 0x5072696E /* "Prin" */
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#define ALI5455_STATE_MAGIC 0x63657373 /* "cess" */
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#define ALI5455_DMA_MASK 0xffffffff /* DMA buffer mask for pci_alloc_consist */
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#define NR_HW_CH 5 /* I think 5 channel */
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/* maxinum number of AC97 codecs connected, AC97 2.0 defined 4 */
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#define NR_AC97 2
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/* Please note that an 8bit mono stream is not valid on this card, you must have a 16bit */
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/* stream at a minimum for this card to be happy */
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static const unsigned sample_size[] = { 1, 2, 2, 4 };
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/* Samples are 16bit values, so we are shifting to a word, not to a byte, hence shift */
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/* values are one less than might be expected */
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static const unsigned sample_shift[] = { -1, 0, 0, 1 };
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#define ALI5455
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static char *card_names[] = {
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"ALI 5455"
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};
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static struct pci_device_id ali_pci_tbl[] __devinitdata = {
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{PCI_VENDOR_ID_ALI, PCI_DEVICE_ID_ALI_5455,
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PCI_ANY_ID, PCI_ANY_ID, 0, 0, ALI5455},
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{0,}
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};
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MODULE_DEVICE_TABLE(pci, ali_pci_tbl);
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#ifdef CONFIG_PM
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#define PM_SUSPENDED(card) (card->pm_suspended)
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#else
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#define PM_SUSPENDED(card) (0)
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#endif
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/* "software" or virtual channel, an instance of opened /dev/dsp */
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struct ali_state {
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unsigned int magic;
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struct ali_card *card; /* Card info */
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/* single open lock mechanism, only used for recording */
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struct semaphore open_sem;
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wait_queue_head_t open_wait;
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/* file mode */
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mode_t open_mode;
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/* virtual channel number */
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int virt;
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| 267 |
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#ifdef CONFIG_PM
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unsigned int pm_saved_dac_rate, pm_saved_adc_rate;
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#endif
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struct dmabuf {
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/* wave sample stuff */
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unsigned int rate;
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unsigned char fmt, enable, trigger;
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/* hardware channel */
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struct ali_channel *read_channel;
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struct ali_channel *write_channel;
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struct ali_channel *codec_spdifout_channel;
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struct ali_channel *controller_spdifout_channel;
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| 281 |
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/* OSS buffer management stuff */
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void *rawbuf;
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dma_addr_t dma_handle;
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unsigned buforder;
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unsigned numfrag;
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unsigned fragshift;
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| 288 |
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/* our buffer acts like a circular ring */
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unsigned hwptr; /* where dma last started, updated by update_ptr */
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unsigned swptr; /* where driver last clear/filled, updated by read/write */
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int count; /* bytes to be consumed or been generated by dma machine */
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unsigned total_bytes; /* total bytes dmaed by hardware */
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unsigned error; /* number of over/underruns */
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wait_queue_head_t wait; /* put process on wait queue when no more space in buffer */
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/* redundant, but makes calculations easier */
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/* what the hardware uses */
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unsigned dmasize;
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unsigned fragsize;
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unsigned fragsamples;
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/* what we tell the user to expect */
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unsigned userfrags;
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unsigned userfragsize;
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/* OSS stuff */
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unsigned mapped:1;
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unsigned ready:1;
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unsigned update_flag;
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unsigned ossfragsize;
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unsigned ossmaxfrags;
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unsigned subdivision;
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} dmabuf;
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};
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|
struct ali_card {
|
| 319 |
|
|
struct ali_channel channel[5];
|
| 320 |
|
|
unsigned int magic;
|
| 321 |
|
|
|
| 322 |
|
|
/* We keep ali5455 cards in a linked list */
|
| 323 |
|
|
struct ali_card *next;
|
| 324 |
|
|
|
| 325 |
|
|
/* The ali has a certain amount of cross channel interaction
|
| 326 |
|
|
so we use a single per card lock */
|
| 327 |
|
|
spinlock_t lock;
|
| 328 |
|
|
spinlock_t ac97_lock;
|
| 329 |
|
|
|
| 330 |
|
|
/* PCI device stuff */
|
| 331 |
|
|
struct pci_dev *pci_dev;
|
| 332 |
|
|
u16 pci_id;
|
| 333 |
|
|
#ifdef CONFIG_PM
|
| 334 |
|
|
u16 pm_suspended;
|
| 335 |
|
|
u32 pm_save_state[64 / sizeof(u32)];
|
| 336 |
|
|
int pm_saved_mixer_settings[SOUND_MIXER_NRDEVICES][NR_AC97];
|
| 337 |
|
|
#endif
|
| 338 |
|
|
/* soundcore stuff */
|
| 339 |
|
|
int dev_audio;
|
| 340 |
|
|
|
| 341 |
|
|
/* structures for abstraction of hardware facilities, codecs, banks and channels */
|
| 342 |
|
|
struct ac97_codec *ac97_codec[NR_AC97];
|
| 343 |
|
|
struct ali_state *states[NR_HW_CH];
|
| 344 |
|
|
|
| 345 |
|
|
u16 ac97_features;
|
| 346 |
|
|
u16 ac97_status;
|
| 347 |
|
|
u16 channels;
|
| 348 |
|
|
|
| 349 |
|
|
/* hardware resources */
|
| 350 |
|
|
unsigned long iobase;
|
| 351 |
|
|
|
| 352 |
|
|
u32 irq;
|
| 353 |
|
|
|
| 354 |
|
|
/* Function support */
|
| 355 |
|
|
struct ali_channel *(*alloc_pcm_channel) (struct ali_card *);
|
| 356 |
|
|
struct ali_channel *(*alloc_rec_pcm_channel) (struct ali_card *);
|
| 357 |
|
|
struct ali_channel *(*alloc_rec_mic_channel) (struct ali_card *);
|
| 358 |
|
|
struct ali_channel *(*alloc_codec_spdifout_channel) (struct ali_card *);
|
| 359 |
|
|
struct ali_channel *(*alloc_controller_spdifout_channel) (struct ali_card *);
|
| 360 |
|
|
void (*free_pcm_channel) (struct ali_card *, int chan);
|
| 361 |
|
|
|
| 362 |
|
|
/* We have a *very* long init time possibly, so use this to block */
|
| 363 |
|
|
/* attempts to open our devices before we are ready (stops oops'es) */
|
| 364 |
|
|
int initializing;
|
| 365 |
|
|
};
|
| 366 |
|
|
|
| 367 |
|
|
|
| 368 |
|
|
static struct ali_card *devs = NULL;
|
| 369 |
|
|
|
| 370 |
|
|
static int ali_open_mixdev(struct inode *inode, struct file *file);
|
| 371 |
|
|
static int ali_ioctl_mixdev(struct inode *inode, struct file *file,
|
| 372 |
|
|
unsigned int cmd, unsigned long arg);
|
| 373 |
|
|
static u16 ali_ac97_get(struct ac97_codec *dev, u8 reg);
|
| 374 |
|
|
static void ali_ac97_set(struct ac97_codec *dev, u8 reg, u16 data);
|
| 375 |
|
|
|
| 376 |
|
|
static struct ali_channel *ali_alloc_pcm_channel(struct ali_card *card)
|
| 377 |
|
|
{
|
| 378 |
|
|
if (card->channel[1].used == 1)
|
| 379 |
|
|
return NULL;
|
| 380 |
|
|
card->channel[1].used = 1;
|
| 381 |
|
|
return &card->channel[1];
|
| 382 |
|
|
}
|
| 383 |
|
|
|
| 384 |
|
|
static struct ali_channel *ali_alloc_rec_pcm_channel(struct ali_card *card)
|
| 385 |
|
|
{
|
| 386 |
|
|
if (card->channel[0].used == 1)
|
| 387 |
|
|
return NULL;
|
| 388 |
|
|
card->channel[0].used = 1;
|
| 389 |
|
|
return &card->channel[0];
|
| 390 |
|
|
}
|
| 391 |
|
|
|
| 392 |
|
|
static struct ali_channel *ali_alloc_rec_mic_channel(struct ali_card *card)
|
| 393 |
|
|
{
|
| 394 |
|
|
if (card->channel[2].used == 1)
|
| 395 |
|
|
return NULL;
|
| 396 |
|
|
card->channel[2].used = 1;
|
| 397 |
|
|
return &card->channel[2];
|
| 398 |
|
|
}
|
| 399 |
|
|
|
| 400 |
|
|
static struct ali_channel *ali_alloc_codec_spdifout_channel(struct ali_card *card)
|
| 401 |
|
|
{
|
| 402 |
|
|
if (card->channel[3].used == 1)
|
| 403 |
|
|
return NULL;
|
| 404 |
|
|
card->channel[3].used = 1;
|
| 405 |
|
|
return &card->channel[3];
|
| 406 |
|
|
}
|
| 407 |
|
|
|
| 408 |
|
|
static struct ali_channel *ali_alloc_controller_spdifout_channel(struct ali_card *card)
|
| 409 |
|
|
{
|
| 410 |
|
|
if (card->channel[4].used == 1)
|
| 411 |
|
|
return NULL;
|
| 412 |
|
|
card->channel[4].used = 1;
|
| 413 |
|
|
return &card->channel[4];
|
| 414 |
|
|
}
|
| 415 |
|
|
static void ali_free_pcm_channel(struct ali_card *card, int channel)
|
| 416 |
|
|
{
|
| 417 |
|
|
card->channel[channel].used = 0;
|
| 418 |
|
|
}
|
| 419 |
|
|
|
| 420 |
|
|
|
| 421 |
|
|
/*
|
| 422 |
|
|
* we use ALC650 which only support 48k sample rate, so we test firstly
|
| 423 |
|
|
* spdifout 's sample rate validity
|
| 424 |
|
|
*/
|
| 425 |
|
|
|
| 426 |
|
|
static int ali_valid_spdif_rate(struct ac97_codec *codec, int rate)
|
| 427 |
|
|
{
|
| 428 |
|
|
unsigned long id = 0L;
|
| 429 |
|
|
|
| 430 |
|
|
id = (ali_ac97_get(codec, AC97_VENDOR_ID1) << 16);
|
| 431 |
|
|
id |= ali_ac97_get(codec, AC97_VENDOR_ID2) & 0xffff;
|
| 432 |
|
|
switch (id) {
|
| 433 |
|
|
case 0x41445361: /* AD1886 */
|
| 434 |
|
|
if (rate == 48000) {
|
| 435 |
|
|
return 1;
|
| 436 |
|
|
}
|
| 437 |
|
|
break;
|
| 438 |
|
|
case 0x414c4720: /* ALC650 */
|
| 439 |
|
|
if (rate == 48000) {
|
| 440 |
|
|
return 1;
|
| 441 |
|
|
}
|
| 442 |
|
|
break;
|
| 443 |
|
|
default: /* all other codecs, until we know otherwiae */
|
| 444 |
|
|
if (rate == 48000 || rate == 44100 || rate == 32000) {
|
| 445 |
|
|
return 1;
|
| 446 |
|
|
}
|
| 447 |
|
|
break;
|
| 448 |
|
|
}
|
| 449 |
|
|
return (0);
|
| 450 |
|
|
}
|
| 451 |
|
|
|
| 452 |
|
|
/* ali_set_spdif_output
|
| 453 |
|
|
*
|
| 454 |
|
|
* Configure the S/PDIF output transmitter.
|
| 455 |
|
|
*
|
| 456 |
|
|
* Assumptions:
|
| 457 |
|
|
* The DSP sample rate must already be set to a supported
|
| 458 |
|
|
* S/PDIF rate (32kHz, 44.1kHz, or 48kHz) or we abort.
|
| 459 |
|
|
*/
|
| 460 |
|
|
static void ali_set_spdif_output(struct ali_state *state, int slots, int rate)
|
| 461 |
|
|
{
|
| 462 |
|
|
int vol;
|
| 463 |
|
|
int aud_reg;
|
| 464 |
|
|
struct ac97_codec *codec = state->card->ac97_codec[0];
|
| 465 |
|
|
|
| 466 |
|
|
if (!(state->card->ac97_features & 4)) {
|
| 467 |
|
|
state->card->ac97_status &= ~SPDIF_ON;
|
| 468 |
|
|
} else {
|
| 469 |
|
|
if (slots == -1) { /* Turn off S/PDIF */
|
| 470 |
|
|
aud_reg = ali_ac97_get(codec, AC97_EXTENDED_STATUS);
|
| 471 |
|
|
ali_ac97_set(codec, AC97_EXTENDED_STATUS, (aud_reg & ~AC97_EA_SPDIF));
|
| 472 |
|
|
|
| 473 |
|
|
/* If the volume wasn't muted before we turned on S/PDIF, unmute it */
|
| 474 |
|
|
if (!(state->card->ac97_status & VOL_MUTED)) {
|
| 475 |
|
|
aud_reg = ali_ac97_get(codec, AC97_MASTER_VOL_STEREO);
|
| 476 |
|
|
ali_ac97_set(codec, AC97_MASTER_VOL_STEREO, (aud_reg & ~VOL_MUTED));
|
| 477 |
|
|
}
|
| 478 |
|
|
state->card->ac97_status &= ~(VOL_MUTED | SPDIF_ON);
|
| 479 |
|
|
return;
|
| 480 |
|
|
}
|
| 481 |
|
|
|
| 482 |
|
|
vol = ali_ac97_get(codec, AC97_MASTER_VOL_STEREO);
|
| 483 |
|
|
state->card->ac97_status = vol & VOL_MUTED;
|
| 484 |
|
|
|
| 485 |
|
|
/* Set S/PDIF transmitter sample rate */
|
| 486 |
|
|
aud_reg = ali_ac97_get(codec, AC97_SPDIF_CONTROL);
|
| 487 |
|
|
switch (rate) {
|
| 488 |
|
|
case 32000:
|
| 489 |
|
|
aud_reg = (aud_reg & AC97_SC_SPSR_MASK) | AC97_SC_SPSR_32K;
|
| 490 |
|
|
break;
|
| 491 |
|
|
case 44100:
|
| 492 |
|
|
aud_reg = (aud_reg & AC97_SC_SPSR_MASK) | AC97_SC_SPSR_44K;
|
| 493 |
|
|
break;
|
| 494 |
|
|
case 48000:
|
| 495 |
|
|
aud_reg = (aud_reg & AC97_SC_SPSR_MASK) | AC97_SC_SPSR_48K;
|
| 496 |
|
|
break;
|
| 497 |
|
|
default:
|
| 498 |
|
|
/* turn off S/PDIF */
|
| 499 |
|
|
aud_reg = ali_ac97_get(codec, AC97_EXTENDED_STATUS);
|
| 500 |
|
|
ali_ac97_set(codec, AC97_EXTENDED_STATUS, (aud_reg & ~AC97_EA_SPDIF));
|
| 501 |
|
|
state->card->ac97_status &= ~SPDIF_ON;
|
| 502 |
|
|
return;
|
| 503 |
|
|
}
|
| 504 |
|
|
|
| 505 |
|
|
ali_ac97_set(codec, AC97_SPDIF_CONTROL, aud_reg);
|
| 506 |
|
|
|
| 507 |
|
|
aud_reg = ali_ac97_get(codec, AC97_EXTENDED_STATUS);
|
| 508 |
|
|
aud_reg = (aud_reg & AC97_EA_SLOT_MASK) | slots | AC97_EA_SPDIF; /* ALC650 don't support VRA */
|
| 509 |
|
|
ali_ac97_set(codec, AC97_EXTENDED_STATUS, aud_reg);
|
| 510 |
|
|
|
| 511 |
|
|
aud_reg = ali_ac97_get(codec, AC97_POWER_CONTROL);
|
| 512 |
|
|
aud_reg |= 0x0002;
|
| 513 |
|
|
ali_ac97_set(codec, AC97_POWER_CONTROL, aud_reg);
|
| 514 |
|
|
udelay(1);
|
| 515 |
|
|
|
| 516 |
|
|
state->card->ac97_status |= SPDIF_ON;
|
| 517 |
|
|
|
| 518 |
|
|
/* Check to make sure the configuration is valid */
|
| 519 |
|
|
aud_reg = ali_ac97_get(codec, AC97_EXTENDED_STATUS);
|
| 520 |
|
|
if (!(aud_reg & 0x0400)) {
|
| 521 |
|
|
/* turn off S/PDIF */
|
| 522 |
|
|
ali_ac97_set(codec, AC97_EXTENDED_STATUS, (aud_reg & ~AC97_EA_SPDIF));
|
| 523 |
|
|
state->card->ac97_status &= ~SPDIF_ON;
|
| 524 |
|
|
return;
|
| 525 |
|
|
}
|
| 526 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 527 |
|
|
aud_reg = ali_ac97_get(codec, 0x6a);
|
| 528 |
|
|
ali_ac97_set(codec, 0x6a, (aud_reg & 0xefff));
|
| 529 |
|
|
}
|
| 530 |
|
|
}
|
| 531 |
|
|
}
|
| 532 |
|
|
|
| 533 |
|
|
/* ali_set_dac_channels
|
| 534 |
|
|
*
|
| 535 |
|
|
* Configure the codec's multi-channel DACs
|
| 536 |
|
|
*
|
| 537 |
|
|
* TODO:
|
| 538 |
|
|
* vailidate that the codec really supports these DACs
|
| 539 |
|
|
* before turning them on.
|
| 540 |
|
|
*/
|
| 541 |
|
|
static void ali_set_dac_channels(struct ali_state *state, int channel)
|
| 542 |
|
|
{
|
| 543 |
|
|
int aud_reg;
|
| 544 |
|
|
struct ac97_codec *codec = state->card->ac97_codec[0];
|
| 545 |
|
|
|
| 546 |
|
|
aud_reg = ali_ac97_get(codec, AC97_EXTENDED_STATUS);
|
| 547 |
|
|
aud_reg |= AC97_EA_PRI | AC97_EA_PRJ | AC97_EA_PRK;
|
| 548 |
|
|
state->card->ac97_status &= ~(SURR_ON | CENTER_LFE_ON);
|
| 549 |
|
|
|
| 550 |
|
|
switch (channel) {
|
| 551 |
|
|
case 2: /* always enabled */
|
| 552 |
|
|
break;
|
| 553 |
|
|
case 4:
|
| 554 |
|
|
aud_reg &= ~AC97_EA_PRJ;
|
| 555 |
|
|
state->card->ac97_status |= SURR_ON;
|
| 556 |
|
|
break;
|
| 557 |
|
|
case 6:
|
| 558 |
|
|
aud_reg &= ~(AC97_EA_PRJ | AC97_EA_PRI | AC97_EA_PRK);
|
| 559 |
|
|
state->card->ac97_status |= SURR_ON | CENTER_LFE_ON;
|
| 560 |
|
|
break;
|
| 561 |
|
|
default:
|
| 562 |
|
|
break;
|
| 563 |
|
|
}
|
| 564 |
|
|
ali_ac97_set(codec, AC97_EXTENDED_STATUS, aud_reg);
|
| 565 |
|
|
|
| 566 |
|
|
}
|
| 567 |
|
|
|
| 568 |
|
|
/* set playback sample rate */
|
| 569 |
|
|
static unsigned int ali_set_dac_rate(struct ali_state *state, unsigned int rate)
|
| 570 |
|
|
{
|
| 571 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 572 |
|
|
u32 new_rate;
|
| 573 |
|
|
struct ac97_codec *codec = state->card->ac97_codec[0];
|
| 574 |
|
|
|
| 575 |
|
|
if (!(state->card->ac97_features & 0x0001)) {
|
| 576 |
|
|
dmabuf->rate = clocking;
|
| 577 |
|
|
return clocking;
|
| 578 |
|
|
}
|
| 579 |
|
|
|
| 580 |
|
|
if (rate > 48000)
|
| 581 |
|
|
rate = 48000;
|
| 582 |
|
|
if (rate < 8000)
|
| 583 |
|
|
rate = 8000;
|
| 584 |
|
|
dmabuf->rate = rate;
|
| 585 |
|
|
|
| 586 |
|
|
/*
|
| 587 |
|
|
* Adjust for misclocked crap
|
| 588 |
|
|
*/
|
| 589 |
|
|
|
| 590 |
|
|
rate = (rate * clocking) / 48000;
|
| 591 |
|
|
|
| 592 |
|
|
if (strict_clocking && rate < 8000) {
|
| 593 |
|
|
rate = 8000;
|
| 594 |
|
|
dmabuf->rate = (rate * 48000) / clocking;
|
| 595 |
|
|
}
|
| 596 |
|
|
|
| 597 |
|
|
new_rate = ac97_set_dac_rate(codec, rate);
|
| 598 |
|
|
if (new_rate != rate) {
|
| 599 |
|
|
dmabuf->rate = (new_rate * 48000) / clocking;
|
| 600 |
|
|
}
|
| 601 |
|
|
rate = new_rate;
|
| 602 |
|
|
return dmabuf->rate;
|
| 603 |
|
|
}
|
| 604 |
|
|
|
| 605 |
|
|
/* set recording sample rate */
|
| 606 |
|
|
static unsigned int ali_set_adc_rate(struct ali_state *state, unsigned int rate)
|
| 607 |
|
|
{
|
| 608 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 609 |
|
|
u32 new_rate;
|
| 610 |
|
|
struct ac97_codec *codec = state->card->ac97_codec[0];
|
| 611 |
|
|
|
| 612 |
|
|
if (!(state->card->ac97_features & 0x0001)) {
|
| 613 |
|
|
dmabuf->rate = clocking;
|
| 614 |
|
|
return clocking;
|
| 615 |
|
|
}
|
| 616 |
|
|
|
| 617 |
|
|
if (rate > 48000)
|
| 618 |
|
|
rate = 48000;
|
| 619 |
|
|
if (rate < 8000)
|
| 620 |
|
|
rate = 8000;
|
| 621 |
|
|
dmabuf->rate = rate;
|
| 622 |
|
|
|
| 623 |
|
|
/*
|
| 624 |
|
|
* Adjust for misclocked crap
|
| 625 |
|
|
*/
|
| 626 |
|
|
|
| 627 |
|
|
rate = (rate * clocking) / 48000;
|
| 628 |
|
|
if (strict_clocking && rate < 8000) {
|
| 629 |
|
|
rate = 8000;
|
| 630 |
|
|
dmabuf->rate = (rate * 48000) / clocking;
|
| 631 |
|
|
}
|
| 632 |
|
|
|
| 633 |
|
|
new_rate = ac97_set_adc_rate(codec, rate);
|
| 634 |
|
|
|
| 635 |
|
|
if (new_rate != rate) {
|
| 636 |
|
|
dmabuf->rate = (new_rate * 48000) / clocking;
|
| 637 |
|
|
rate = new_rate;
|
| 638 |
|
|
}
|
| 639 |
|
|
return dmabuf->rate;
|
| 640 |
|
|
}
|
| 641 |
|
|
|
| 642 |
|
|
/* set codec independent spdifout sample rate */
|
| 643 |
|
|
static unsigned int ali_set_codecspdifout_rate(struct ali_state *state, unsigned int rate)
|
| 644 |
|
|
{
|
| 645 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 646 |
|
|
|
| 647 |
|
|
if (!(state->card->ac97_features & 0x0001)) {
|
| 648 |
|
|
dmabuf->rate = clocking;
|
| 649 |
|
|
return clocking;
|
| 650 |
|
|
}
|
| 651 |
|
|
|
| 652 |
|
|
if (rate > 48000)
|
| 653 |
|
|
rate = 48000;
|
| 654 |
|
|
if (rate < 8000)
|
| 655 |
|
|
rate = 8000;
|
| 656 |
|
|
dmabuf->rate = rate;
|
| 657 |
|
|
|
| 658 |
|
|
return dmabuf->rate;
|
| 659 |
|
|
}
|
| 660 |
|
|
|
| 661 |
|
|
/* set controller independent spdif out function sample rate */
|
| 662 |
|
|
static void ali_set_spdifout_rate(struct ali_state *state, unsigned int rate)
|
| 663 |
|
|
{
|
| 664 |
|
|
unsigned char ch_st_sel;
|
| 665 |
|
|
unsigned short status_rate;
|
| 666 |
|
|
|
| 667 |
|
|
switch (rate) {
|
| 668 |
|
|
case 44100:
|
| 669 |
|
|
status_rate = 0;
|
| 670 |
|
|
break;
|
| 671 |
|
|
case 32000:
|
| 672 |
|
|
status_rate = 0x300;
|
| 673 |
|
|
break;
|
| 674 |
|
|
case 48000:
|
| 675 |
|
|
default:
|
| 676 |
|
|
status_rate = 0x200;
|
| 677 |
|
|
break;
|
| 678 |
|
|
}
|
| 679 |
|
|
|
| 680 |
|
|
ch_st_sel = inb(state->card->iobase + ALI_SPDIFICS) & ALI_SPDIF_OUT_CH_STATUS; //select spdif_out
|
| 681 |
|
|
|
| 682 |
|
|
ch_st_sel |= 0x80; //select right
|
| 683 |
|
|
outb(ch_st_sel, (state->card->iobase + ALI_SPDIFICS));
|
| 684 |
|
|
outb(status_rate | 0x20, (state->card->iobase + ALI_SPDIFCSR + 2));
|
| 685 |
|
|
|
| 686 |
|
|
ch_st_sel &= (~0x80); //select left
|
| 687 |
|
|
outb(ch_st_sel, (state->card->iobase + ALI_SPDIFICS));
|
| 688 |
|
|
outw(status_rate | 0x10, (state->card->iobase + ALI_SPDIFCSR + 2));
|
| 689 |
|
|
}
|
| 690 |
|
|
|
| 691 |
|
|
/* get current playback/recording dma buffer pointer (byte offset from LBA),
|
| 692 |
|
|
called with spinlock held! */
|
| 693 |
|
|
|
| 694 |
|
|
static inline unsigned ali_get_dma_addr(struct ali_state *state, int rec)
|
| 695 |
|
|
{
|
| 696 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 697 |
|
|
unsigned int civ, offset, port, port_picb;
|
| 698 |
|
|
unsigned int data;
|
| 699 |
|
|
|
| 700 |
|
|
if (!dmabuf->enable)
|
| 701 |
|
|
return 0;
|
| 702 |
|
|
|
| 703 |
|
|
if (rec == 1)
|
| 704 |
|
|
port = state->card->iobase + dmabuf->read_channel->port;
|
| 705 |
|
|
else if (rec == 2)
|
| 706 |
|
|
port = state->card->iobase + dmabuf->codec_spdifout_channel->port;
|
| 707 |
|
|
else if (rec == 3)
|
| 708 |
|
|
port = state->card->iobase + dmabuf->controller_spdifout_channel->port;
|
| 709 |
|
|
else
|
| 710 |
|
|
port = state->card->iobase + dmabuf->write_channel->port;
|
| 711 |
|
|
|
| 712 |
|
|
port_picb = port + OFF_PICB;
|
| 713 |
|
|
|
| 714 |
|
|
do {
|
| 715 |
|
|
civ = inb(port + OFF_CIV) & 31;
|
| 716 |
|
|
offset = inw(port_picb);
|
| 717 |
|
|
/* Must have a delay here! */
|
| 718 |
|
|
if (offset == 0)
|
| 719 |
|
|
udelay(1);
|
| 720 |
|
|
|
| 721 |
|
|
/* Reread both registers and make sure that that total
|
| 722 |
|
|
* offset from the first reading to the second is 0.
|
| 723 |
|
|
* There is an issue with SiS hardware where it will count
|
| 724 |
|
|
* picb down to 0, then update civ to the next value,
|
| 725 |
|
|
* then set the new picb to fragsize bytes. We can catch
|
| 726 |
|
|
* it between the civ update and the picb update, making
|
| 727 |
|
|
* it look as though we are 1 fragsize ahead of where we
|
| 728 |
|
|
* are. The next to we get the address though, it will
|
| 729 |
|
|
* be back in thdelay is more than long enough
|
| 730 |
|
|
* that we won't have to worry about the chip still being
|
| 731 |
|
|
* out of sync with reality ;-)
|
| 732 |
|
|
*/
|
| 733 |
|
|
} while (civ != (inb(port + OFF_CIV) & 31) || offset != inw(port_picb));
|
| 734 |
|
|
|
| 735 |
|
|
data = ((civ + 1) * dmabuf->fragsize - (2 * offset)) % dmabuf->dmasize;
|
| 736 |
|
|
if (inw(port_picb) == 0)
|
| 737 |
|
|
data -= 2048;
|
| 738 |
|
|
/* It is hardware bug when read port 's PICB ==0 */
|
| 739 |
|
|
if ( inw(port_picb) == 0 )
|
| 740 |
|
|
data -= 2048;
|
| 741 |
|
|
return data;
|
| 742 |
|
|
}
|
| 743 |
|
|
|
| 744 |
|
|
/* Stop recording (lock held) */
|
| 745 |
|
|
static inline void __stop_adc(struct ali_state *state)
|
| 746 |
|
|
{
|
| 747 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 748 |
|
|
struct ali_card *card = state->card;
|
| 749 |
|
|
|
| 750 |
|
|
dmabuf->enable &= ~ADC_RUNNING;
|
| 751 |
|
|
|
| 752 |
|
|
outl((1 << 18) | (1 << 16), card->iobase + ALI_DMACR);
|
| 753 |
|
|
udelay(1);
|
| 754 |
|
|
|
| 755 |
|
|
outb(0, card->iobase + PI_CR);
|
| 756 |
|
|
|
| 757 |
|
|
// wait for the card to acknowledge shutdown
|
| 758 |
|
|
while (inb(card->iobase + PI_CR) != 0);
|
| 759 |
|
|
|
| 760 |
|
|
// now clear any latent interrupt bits (like the halt bit)
|
| 761 |
|
|
outb(inb(card->iobase + PI_SR) | 0x001e, card->iobase + PI_SR);
|
| 762 |
|
|
outl(inl(card->iobase + ALI_INTERRUPTSR) & INT_PCMIN, card->iobase + ALI_INTERRUPTSR);
|
| 763 |
|
|
}
|
| 764 |
|
|
|
| 765 |
|
|
static void stop_adc(struct ali_state *state)
|
| 766 |
|
|
{
|
| 767 |
|
|
struct ali_card *card = state->card;
|
| 768 |
|
|
unsigned long flags;
|
| 769 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 770 |
|
|
__stop_adc(state);
|
| 771 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 772 |
|
|
}
|
| 773 |
|
|
|
| 774 |
|
|
static inline void __start_adc(struct ali_state *state)
|
| 775 |
|
|
{
|
| 776 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 777 |
|
|
|
| 778 |
|
|
if (dmabuf->count < dmabuf->dmasize && dmabuf->ready
|
| 779 |
|
|
&& !dmabuf->enable && (dmabuf->trigger & PCM_ENABLE_INPUT)) {
|
| 780 |
|
|
dmabuf->enable |= ADC_RUNNING;
|
| 781 |
|
|
outb((1 << 4) | (1 << 2), state->card->iobase + PI_CR);
|
| 782 |
|
|
if (state->card->channel[0].used == 1)
|
| 783 |
|
|
outl(1, state->card->iobase + ALI_DMACR); // DMA CONTROL REGISTRER
|
| 784 |
|
|
if (state->card->channel[2].used == 1)
|
| 785 |
|
|
outl((1 << 2), state->card->iobase + ALI_DMACR); //DMA CONTROL REGISTER
|
| 786 |
|
|
}
|
| 787 |
|
|
}
|
| 788 |
|
|
|
| 789 |
|
|
static void start_adc(struct ali_state *state)
|
| 790 |
|
|
{
|
| 791 |
|
|
struct ali_card *card = state->card;
|
| 792 |
|
|
unsigned long flags;
|
| 793 |
|
|
|
| 794 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 795 |
|
|
__start_adc(state);
|
| 796 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 797 |
|
|
}
|
| 798 |
|
|
|
| 799 |
|
|
/* stop playback (lock held) */
|
| 800 |
|
|
static inline void __stop_dac(struct ali_state *state)
|
| 801 |
|
|
{
|
| 802 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 803 |
|
|
struct ali_card *card = state->card;
|
| 804 |
|
|
|
| 805 |
|
|
dmabuf->enable &= ~DAC_RUNNING;
|
| 806 |
|
|
outl(0x00020000, card->iobase + 0x08);
|
| 807 |
|
|
outb(0, card->iobase + PO_CR);
|
| 808 |
|
|
while (inb(card->iobase + PO_CR) != 0)
|
| 809 |
|
|
cpu_relax();
|
| 810 |
|
|
|
| 811 |
|
|
outb(inb(card->iobase + PO_SR) | 0x001e, card->iobase + PO_SR);
|
| 812 |
|
|
|
| 813 |
|
|
outl(inl(card->iobase + ALI_INTERRUPTSR) & INT_PCMOUT, card->iobase + ALI_INTERRUPTSR);
|
| 814 |
|
|
}
|
| 815 |
|
|
|
| 816 |
|
|
static void stop_dac(struct ali_state *state)
|
| 817 |
|
|
{
|
| 818 |
|
|
struct ali_card *card = state->card;
|
| 819 |
|
|
unsigned long flags;
|
| 820 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 821 |
|
|
__stop_dac(state);
|
| 822 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 823 |
|
|
}
|
| 824 |
|
|
|
| 825 |
|
|
static inline void __start_dac(struct ali_state *state)
|
| 826 |
|
|
{
|
| 827 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 828 |
|
|
if (dmabuf->count > 0 && dmabuf->ready && !dmabuf->enable &&
|
| 829 |
|
|
(dmabuf->trigger & PCM_ENABLE_OUTPUT)) {
|
| 830 |
|
|
dmabuf->enable |= DAC_RUNNING;
|
| 831 |
|
|
outb((1 << 4) | (1 << 2), state->card->iobase + PO_CR);
|
| 832 |
|
|
outl((1 << 1), state->card->iobase + 0x08); //dma control register
|
| 833 |
|
|
}
|
| 834 |
|
|
}
|
| 835 |
|
|
|
| 836 |
|
|
static void start_dac(struct ali_state *state)
|
| 837 |
|
|
{
|
| 838 |
|
|
struct ali_card *card = state->card;
|
| 839 |
|
|
unsigned long flags;
|
| 840 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 841 |
|
|
__start_dac(state);
|
| 842 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 843 |
|
|
}
|
| 844 |
|
|
|
| 845 |
|
|
/* stop codec and controller spdif out (lock held) */
|
| 846 |
|
|
static inline void __stop_spdifout(struct ali_state *state)
|
| 847 |
|
|
{
|
| 848 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 849 |
|
|
struct ali_card *card = state->card;
|
| 850 |
|
|
|
| 851 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 852 |
|
|
dmabuf->enable &= ~CODEC_SPDIFOUT_RUNNING;
|
| 853 |
|
|
outl((1 << 19), card->iobase + 0x08);
|
| 854 |
|
|
outb(0, card->iobase + CODECSPDIFOUT_CR);
|
| 855 |
|
|
|
| 856 |
|
|
while (inb(card->iobase + CODECSPDIFOUT_CR) != 0)
|
| 857 |
|
|
cpu_relax();
|
| 858 |
|
|
|
| 859 |
|
|
outb(inb(card->iobase + CODECSPDIFOUT_SR) | 0x001e, card->iobase + CODECSPDIFOUT_SR);
|
| 860 |
|
|
outl(inl(card->iobase + ALI_INTERRUPTSR) & INT_CODECSPDIFOUT, card->iobase + ALI_INTERRUPTSR);
|
| 861 |
|
|
} else {
|
| 862 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 863 |
|
|
dmabuf->enable &= ~CONTROLLER_SPDIFOUT_RUNNING;
|
| 864 |
|
|
outl((1 << 23), card->iobase + 0x08);
|
| 865 |
|
|
outb(0, card->iobase + CONTROLLERSPDIFOUT_CR);
|
| 866 |
|
|
while (inb(card->iobase + CONTROLLERSPDIFOUT_CR) != 0)
|
| 867 |
|
|
cpu_relax();
|
| 868 |
|
|
outb(inb(card->iobase + CONTROLLERSPDIFOUT_SR) | 0x001e, card->iobase + CONTROLLERSPDIFOUT_SR);
|
| 869 |
|
|
outl(inl(card->iobase + ALI_INTERRUPTSR) & INT_SPDIFOUT, card->iobase + ALI_INTERRUPTSR);
|
| 870 |
|
|
}
|
| 871 |
|
|
}
|
| 872 |
|
|
}
|
| 873 |
|
|
|
| 874 |
|
|
static void stop_spdifout(struct ali_state *state)
|
| 875 |
|
|
{
|
| 876 |
|
|
struct ali_card *card = state->card;
|
| 877 |
|
|
unsigned long flags;
|
| 878 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 879 |
|
|
__stop_spdifout(state);
|
| 880 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 881 |
|
|
}
|
| 882 |
|
|
|
| 883 |
|
|
static inline void __start_spdifout(struct ali_state *state)
|
| 884 |
|
|
{
|
| 885 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 886 |
|
|
if (dmabuf->count > 0 && dmabuf->ready && !dmabuf->enable &&
|
| 887 |
|
|
(dmabuf->trigger & SPDIF_ENABLE_OUTPUT)) {
|
| 888 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 889 |
|
|
dmabuf->enable |= CODEC_SPDIFOUT_RUNNING;
|
| 890 |
|
|
outb((1 << 4) | (1 << 2), state->card->iobase + CODECSPDIFOUT_CR);
|
| 891 |
|
|
outl((1 << 3), state->card->iobase + 0x08); //dma control register
|
| 892 |
|
|
} else {
|
| 893 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 894 |
|
|
dmabuf->enable |= CONTROLLER_SPDIFOUT_RUNNING;
|
| 895 |
|
|
outb((1 << 4) | (1 << 2), state->card->iobase + CONTROLLERSPDIFOUT_CR);
|
| 896 |
|
|
outl((1 << 7), state->card->iobase + 0x08); //dma control register
|
| 897 |
|
|
}
|
| 898 |
|
|
}
|
| 899 |
|
|
}
|
| 900 |
|
|
}
|
| 901 |
|
|
|
| 902 |
|
|
static void start_spdifout(struct ali_state *state)
|
| 903 |
|
|
{
|
| 904 |
|
|
struct ali_card *card = state->card;
|
| 905 |
|
|
unsigned long flags;
|
| 906 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 907 |
|
|
__start_spdifout(state);
|
| 908 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 909 |
|
|
}
|
| 910 |
|
|
|
| 911 |
|
|
#define DMABUF_DEFAULTORDER (16-PAGE_SHIFT)
|
| 912 |
|
|
#define DMABUF_MINORDER 1
|
| 913 |
|
|
|
| 914 |
|
|
/* allocate DMA buffer, playback , recording,spdif out buffer should be allocated seperately */
|
| 915 |
|
|
static int alloc_dmabuf(struct ali_state *state)
|
| 916 |
|
|
{
|
| 917 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 918 |
|
|
void *rawbuf = NULL;
|
| 919 |
|
|
int order, size;
|
| 920 |
|
|
struct page *page, *pend;
|
| 921 |
|
|
|
| 922 |
|
|
/* If we don't have any oss frag params, then use our default ones */
|
| 923 |
|
|
if (dmabuf->ossmaxfrags == 0)
|
| 924 |
|
|
dmabuf->ossmaxfrags = 4;
|
| 925 |
|
|
if (dmabuf->ossfragsize == 0)
|
| 926 |
|
|
dmabuf->ossfragsize = (PAGE_SIZE << DMABUF_DEFAULTORDER) / dmabuf->ossmaxfrags;
|
| 927 |
|
|
size = dmabuf->ossfragsize * dmabuf->ossmaxfrags;
|
| 928 |
|
|
|
| 929 |
|
|
if (dmabuf->rawbuf && (PAGE_SIZE << dmabuf->buforder) == size)
|
| 930 |
|
|
return 0;
|
| 931 |
|
|
/* alloc enough to satisfy the oss params */
|
| 932 |
|
|
for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--) {
|
| 933 |
|
|
if ((PAGE_SIZE << order) > size)
|
| 934 |
|
|
continue;
|
| 935 |
|
|
if ((rawbuf = pci_alloc_consistent(state->card->pci_dev,
|
| 936 |
|
|
PAGE_SIZE << order,
|
| 937 |
|
|
&dmabuf->dma_handle)))
|
| 938 |
|
|
break;
|
| 939 |
|
|
}
|
| 940 |
|
|
if (!rawbuf)
|
| 941 |
|
|
return -ENOMEM;
|
| 942 |
|
|
|
| 943 |
|
|
dmabuf->ready = dmabuf->mapped = 0;
|
| 944 |
|
|
dmabuf->rawbuf = rawbuf;
|
| 945 |
|
|
dmabuf->buforder = order;
|
| 946 |
|
|
|
| 947 |
|
|
/* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
|
| 948 |
|
|
pend = virt_to_page(rawbuf + (PAGE_SIZE << order) - 1);
|
| 949 |
|
|
for (page = virt_to_page(rawbuf); page <= pend; page++)
|
| 950 |
|
|
mem_map_reserve(page);
|
| 951 |
|
|
return 0;
|
| 952 |
|
|
}
|
| 953 |
|
|
|
| 954 |
|
|
/* free DMA buffer */
|
| 955 |
|
|
static void dealloc_dmabuf(struct ali_state *state)
|
| 956 |
|
|
{
|
| 957 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 958 |
|
|
struct page *page, *pend;
|
| 959 |
|
|
|
| 960 |
|
|
if (dmabuf->rawbuf) {
|
| 961 |
|
|
/* undo marking the pages as reserved */
|
| 962 |
|
|
pend = virt_to_page(dmabuf->rawbuf + (PAGE_SIZE << dmabuf->buforder) - 1);
|
| 963 |
|
|
for (page = virt_to_page(dmabuf->rawbuf); page <= pend; page++)
|
| 964 |
|
|
mem_map_unreserve(page);
|
| 965 |
|
|
pci_free_consistent(state->card->pci_dev,
|
| 966 |
|
|
PAGE_SIZE << dmabuf->buforder,
|
| 967 |
|
|
dmabuf->rawbuf, dmabuf->dma_handle);
|
| 968 |
|
|
}
|
| 969 |
|
|
dmabuf->rawbuf = NULL;
|
| 970 |
|
|
dmabuf->mapped = dmabuf->ready = 0;
|
| 971 |
|
|
}
|
| 972 |
|
|
|
| 973 |
|
|
static int prog_dmabuf(struct ali_state *state, unsigned rec)
|
| 974 |
|
|
{
|
| 975 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 976 |
|
|
struct ali_channel *c = NULL ;
|
| 977 |
|
|
struct sg_item *sg;
|
| 978 |
|
|
unsigned long flags;
|
| 979 |
|
|
int ret;
|
| 980 |
|
|
unsigned fragint;
|
| 981 |
|
|
int i;
|
| 982 |
|
|
|
| 983 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 984 |
|
|
if (dmabuf->enable & DAC_RUNNING)
|
| 985 |
|
|
__stop_dac(state);
|
| 986 |
|
|
if (dmabuf->enable & ADC_RUNNING)
|
| 987 |
|
|
__stop_adc(state);
|
| 988 |
|
|
if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING)
|
| 989 |
|
|
__stop_spdifout(state);
|
| 990 |
|
|
if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING)
|
| 991 |
|
|
__stop_spdifout(state);
|
| 992 |
|
|
|
| 993 |
|
|
dmabuf->total_bytes = 0;
|
| 994 |
|
|
dmabuf->count = dmabuf->error = 0;
|
| 995 |
|
|
dmabuf->swptr = dmabuf->hwptr = 0;
|
| 996 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 997 |
|
|
|
| 998 |
|
|
/* allocate DMA buffer, let alloc_dmabuf determine if we are already
|
| 999 |
|
|
* allocated well enough or if we should replace the current buffer
|
| 1000 |
|
|
* (assuming one is already allocated, if it isn't, then allocate it).
|
| 1001 |
|
|
*/
|
| 1002 |
|
|
if ((ret = alloc_dmabuf(state)))
|
| 1003 |
|
|
return ret;
|
| 1004 |
|
|
|
| 1005 |
|
|
/* FIXME: figure out all this OSS fragment stuff */
|
| 1006 |
|
|
/* I did, it now does what it should according to the OSS API. DL */
|
| 1007 |
|
|
/* We may not have realloced our dmabuf, but the fragment size to
|
| 1008 |
|
|
* fragment number ratio may have changed, so go ahead and reprogram
|
| 1009 |
|
|
* things
|
| 1010 |
|
|
*/
|
| 1011 |
|
|
|
| 1012 |
|
|
dmabuf->dmasize = PAGE_SIZE << dmabuf->buforder;
|
| 1013 |
|
|
dmabuf->numfrag = SG_LEN;
|
| 1014 |
|
|
dmabuf->fragsize = dmabuf->dmasize / dmabuf->numfrag;
|
| 1015 |
|
|
dmabuf->fragsamples = dmabuf->fragsize >> 1;
|
| 1016 |
|
|
dmabuf->userfragsize = dmabuf->ossfragsize;
|
| 1017 |
|
|
dmabuf->userfrags = dmabuf->dmasize / dmabuf->ossfragsize;
|
| 1018 |
|
|
|
| 1019 |
|
|
memset(dmabuf->rawbuf, 0, dmabuf->dmasize);
|
| 1020 |
|
|
|
| 1021 |
|
|
if (dmabuf->ossmaxfrags == 4) {
|
| 1022 |
|
|
fragint = 8;
|
| 1023 |
|
|
dmabuf->fragshift = 2;
|
| 1024 |
|
|
} else if (dmabuf->ossmaxfrags == 8) {
|
| 1025 |
|
|
fragint = 4;
|
| 1026 |
|
|
dmabuf->fragshift = 3;
|
| 1027 |
|
|
} else if (dmabuf->ossmaxfrags == 16) {
|
| 1028 |
|
|
fragint = 2;
|
| 1029 |
|
|
dmabuf->fragshift = 4;
|
| 1030 |
|
|
} else {
|
| 1031 |
|
|
fragint = 1;
|
| 1032 |
|
|
dmabuf->fragshift = 5;
|
| 1033 |
|
|
}
|
| 1034 |
|
|
/*
|
| 1035 |
|
|
* Now set up the ring
|
| 1036 |
|
|
*/
|
| 1037 |
|
|
|
| 1038 |
|
|
if (rec == 1)
|
| 1039 |
|
|
c = dmabuf->read_channel;
|
| 1040 |
|
|
else if (rec == 2)
|
| 1041 |
|
|
c = dmabuf->codec_spdifout_channel;
|
| 1042 |
|
|
else if (rec == 3)
|
| 1043 |
|
|
c = dmabuf->controller_spdifout_channel;
|
| 1044 |
|
|
else if (rec == 0)
|
| 1045 |
|
|
c = dmabuf->write_channel;
|
| 1046 |
|
|
if (c != NULL) {
|
| 1047 |
|
|
sg = &c->sg[0];
|
| 1048 |
|
|
/*
|
| 1049 |
|
|
* Load up 32 sg entries and take an interrupt at half
|
| 1050 |
|
|
* way (we might want more interrupts later..)
|
| 1051 |
|
|
*/
|
| 1052 |
|
|
for (i = 0; i < dmabuf->numfrag; i++) {
|
| 1053 |
|
|
sg->busaddr =
|
| 1054 |
|
|
virt_to_bus(dmabuf->rawbuf +
|
| 1055 |
|
|
dmabuf->fragsize * i);
|
| 1056 |
|
|
// the card will always be doing 16bit stereo
|
| 1057 |
|
|
sg->control = dmabuf->fragsamples;
|
| 1058 |
|
|
sg->control |= CON_BUFPAD; //I modify
|
| 1059 |
|
|
// set us up to get IOC interrupts as often as needed to
|
| 1060 |
|
|
// satisfy numfrag requirements, no more
|
| 1061 |
|
|
if (((i + 1) % fragint) == 0) {
|
| 1062 |
|
|
sg->control |= CON_IOC;
|
| 1063 |
|
|
}
|
| 1064 |
|
|
sg++;
|
| 1065 |
|
|
}
|
| 1066 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 1067 |
|
|
outb(2, state->card->iobase + c->port + OFF_CR); /* reset DMA machine */
|
| 1068 |
|
|
outl(virt_to_bus(&c->sg[0]), state->card->iobase + c->port + OFF_BDBAR);
|
| 1069 |
|
|
outb(0, state->card->iobase + c->port + OFF_CIV);
|
| 1070 |
|
|
outb(0, state->card->iobase + c->port + OFF_LVI);
|
| 1071 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 1072 |
|
|
}
|
| 1073 |
|
|
/* set the ready flag for the dma buffer */
|
| 1074 |
|
|
dmabuf->ready = 1;
|
| 1075 |
|
|
return 0;
|
| 1076 |
|
|
}
|
| 1077 |
|
|
|
| 1078 |
|
|
static void __ali_update_lvi(struct ali_state *state, int rec)
|
| 1079 |
|
|
{
|
| 1080 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1081 |
|
|
int x, port;
|
| 1082 |
|
|
port = state->card->iobase;
|
| 1083 |
|
|
if (rec == 1)
|
| 1084 |
|
|
port += dmabuf->read_channel->port;
|
| 1085 |
|
|
else if (rec == 2)
|
| 1086 |
|
|
port += dmabuf->codec_spdifout_channel->port;
|
| 1087 |
|
|
else if (rec == 3)
|
| 1088 |
|
|
port += dmabuf->controller_spdifout_channel->port;
|
| 1089 |
|
|
else if (rec == 0)
|
| 1090 |
|
|
port += dmabuf->write_channel->port;
|
| 1091 |
|
|
/* if we are currently stopped, then our CIV is actually set to our
|
| 1092 |
|
|
* *last* sg segment and we are ready to wrap to the next. However,
|
| 1093 |
|
|
* if we set our LVI to the last sg segment, then it won't wrap to
|
| 1094 |
|
|
* the next sg segment, it won't even get a start. So, instead, when
|
| 1095 |
|
|
* we are stopped, we set both the LVI value and also we increment
|
| 1096 |
|
|
* the CIV value to the next sg segment to be played so that when
|
| 1097 |
|
|
* we call start_{dac,adc}, things will operate properly
|
| 1098 |
|
|
*/
|
| 1099 |
|
|
if (!dmabuf->enable && dmabuf->ready) {
|
| 1100 |
|
|
if (rec && dmabuf->count < dmabuf->dmasize && (dmabuf->trigger & PCM_ENABLE_INPUT)) {
|
| 1101 |
|
|
outb((inb(port + OFF_CIV) + 1) & 31, port + OFF_LVI);
|
| 1102 |
|
|
__start_adc(state);
|
| 1103 |
|
|
while (! (inb(port + OFF_CR) & ((1 << 4) | (1 << 2))))
|
| 1104 |
|
|
cpu_relax();
|
| 1105 |
|
|
} else if (!rec && dmabuf->count && (dmabuf->trigger & PCM_ENABLE_OUTPUT)) {
|
| 1106 |
|
|
outb((inb(port + OFF_CIV) + 1) & 31, port + OFF_LVI);
|
| 1107 |
|
|
__start_dac(state);
|
| 1108 |
|
|
while (!(inb(port + OFF_CR) & ((1 << 4) | (1 << 2))))
|
| 1109 |
|
|
cpu_relax();
|
| 1110 |
|
|
} else if (rec && dmabuf->count && (dmabuf->trigger & SPDIF_ENABLE_OUTPUT)) {
|
| 1111 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 1112 |
|
|
// outb((inb(port+OFF_CIV))&31, port+OFF_LVI);
|
| 1113 |
|
|
outb((inb(port + OFF_CIV) + 1) & 31, port + OFF_LVI);
|
| 1114 |
|
|
__start_spdifout(state);
|
| 1115 |
|
|
while (!(inb(port + OFF_CR) & ((1 << 4) | (1 << 2))))
|
| 1116 |
|
|
cpu_relax();
|
| 1117 |
|
|
} else {
|
| 1118 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 1119 |
|
|
outb((inb(port + OFF_CIV) + 1) & 31, port + OFF_LVI);
|
| 1120 |
|
|
__start_spdifout(state);
|
| 1121 |
|
|
while (!(inb(port + OFF_CR) & ((1 << 4) | (1 << 2))))
|
| 1122 |
|
|
cpu_relax();
|
| 1123 |
|
|
}
|
| 1124 |
|
|
}
|
| 1125 |
|
|
}
|
| 1126 |
|
|
}
|
| 1127 |
|
|
|
| 1128 |
|
|
/* swptr - 1 is the tail of our transfer */
|
| 1129 |
|
|
x = (dmabuf->dmasize + dmabuf->swptr - 1) % dmabuf->dmasize;
|
| 1130 |
|
|
x /= dmabuf->fragsize;
|
| 1131 |
|
|
outb(x, port + OFF_LVI);
|
| 1132 |
|
|
}
|
| 1133 |
|
|
|
| 1134 |
|
|
static void ali_update_lvi(struct ali_state *state, int rec)
|
| 1135 |
|
|
{
|
| 1136 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1137 |
|
|
unsigned long flags;
|
| 1138 |
|
|
if (!dmabuf->ready)
|
| 1139 |
|
|
return;
|
| 1140 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 1141 |
|
|
__ali_update_lvi(state, rec);
|
| 1142 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 1143 |
|
|
}
|
| 1144 |
|
|
|
| 1145 |
|
|
/* update buffer manangement pointers, especially, dmabuf->count and dmabuf->hwptr */
|
| 1146 |
|
|
static void ali_update_ptr(struct ali_state *state)
|
| 1147 |
|
|
{
|
| 1148 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1149 |
|
|
unsigned hwptr;
|
| 1150 |
|
|
int diff;
|
| 1151 |
|
|
|
| 1152 |
|
|
/* error handling and process wake up for DAC */
|
| 1153 |
|
|
if (dmabuf->enable == ADC_RUNNING) {
|
| 1154 |
|
|
/* update hardware pointer */
|
| 1155 |
|
|
hwptr = ali_get_dma_addr(state, 1);
|
| 1156 |
|
|
diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize;
|
| 1157 |
|
|
dmabuf->hwptr = hwptr;
|
| 1158 |
|
|
dmabuf->total_bytes += diff;
|
| 1159 |
|
|
dmabuf->count += diff;
|
| 1160 |
|
|
if (dmabuf->count > dmabuf->dmasize) {
|
| 1161 |
|
|
/* buffer underrun or buffer overrun */
|
| 1162 |
|
|
/* this is normal for the end of a read */
|
| 1163 |
|
|
/* only give an error if we went past the */
|
| 1164 |
|
|
/* last valid sg entry */
|
| 1165 |
|
|
if ((inb(state->card->iobase + PI_CIV) & 31) != (inb(state->card->iobase + PI_LVI) & 31)) {
|
| 1166 |
|
|
printk(KERN_WARNING "ali_audio: DMA overrun on read\n");
|
| 1167 |
|
|
dmabuf->error++;
|
| 1168 |
|
|
}
|
| 1169 |
|
|
}
|
| 1170 |
|
|
if (dmabuf->count > dmabuf->userfragsize)
|
| 1171 |
|
|
wake_up(&dmabuf->wait);
|
| 1172 |
|
|
}
|
| 1173 |
|
|
/* error handling and process wake up for DAC */
|
| 1174 |
|
|
if (dmabuf->enable == DAC_RUNNING) {
|
| 1175 |
|
|
/* update hardware pointer */
|
| 1176 |
|
|
hwptr = ali_get_dma_addr(state, 0);
|
| 1177 |
|
|
diff =
|
| 1178 |
|
|
(dmabuf->dmasize + hwptr -
|
| 1179 |
|
|
dmabuf->hwptr) % dmabuf->dmasize;
|
| 1180 |
|
|
#if defined(DEBUG_INTERRUPTS) || defined(DEBUG_MMAP)
|
| 1181 |
|
|
printk("DAC HWP %d,%d,%d\n", hwptr, dmabuf->hwptr, diff);
|
| 1182 |
|
|
#endif
|
| 1183 |
|
|
dmabuf->hwptr = hwptr;
|
| 1184 |
|
|
dmabuf->total_bytes += diff;
|
| 1185 |
|
|
dmabuf->count -= diff;
|
| 1186 |
|
|
if (dmabuf->count < 0) {
|
| 1187 |
|
|
/* buffer underrun or buffer overrun */
|
| 1188 |
|
|
/* this is normal for the end of a write */
|
| 1189 |
|
|
/* only give an error if we went past the */
|
| 1190 |
|
|
/* last valid sg entry */
|
| 1191 |
|
|
if ((inb(state->card->iobase + PO_CIV) & 31) != (inb(state->card->iobase + PO_LVI) & 31)) {
|
| 1192 |
|
|
printk(KERN_WARNING "ali_audio: DMA overrun on write\n");
|
| 1193 |
|
|
printk(KERN_DEBUG "ali_audio: CIV %d, LVI %d, hwptr %x, count %d\n",
|
| 1194 |
|
|
inb(state->card->iobase + PO_CIV) & 31,
|
| 1195 |
|
|
inb(state->card->iobase + PO_LVI) & 31,
|
| 1196 |
|
|
dmabuf->hwptr,
|
| 1197 |
|
|
dmabuf->count);
|
| 1198 |
|
|
dmabuf->error++;
|
| 1199 |
|
|
}
|
| 1200 |
|
|
}
|
| 1201 |
|
|
if (dmabuf->count < (dmabuf->dmasize - dmabuf->userfragsize))
|
| 1202 |
|
|
wake_up(&dmabuf->wait);
|
| 1203 |
|
|
}
|
| 1204 |
|
|
|
| 1205 |
|
|
/* error handling and process wake up for CODEC SPDIF OUT */
|
| 1206 |
|
|
if (dmabuf->enable == CODEC_SPDIFOUT_RUNNING) {
|
| 1207 |
|
|
/* update hardware pointer */
|
| 1208 |
|
|
hwptr = ali_get_dma_addr(state, 2);
|
| 1209 |
|
|
diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize;
|
| 1210 |
|
|
dmabuf->hwptr = hwptr;
|
| 1211 |
|
|
dmabuf->total_bytes += diff;
|
| 1212 |
|
|
dmabuf->count -= diff;
|
| 1213 |
|
|
if (dmabuf->count < 0) {
|
| 1214 |
|
|
/* buffer underrun or buffer overrun */
|
| 1215 |
|
|
/* this is normal for the end of a write */
|
| 1216 |
|
|
/* only give an error if we went past the */
|
| 1217 |
|
|
/* last valid sg entry */
|
| 1218 |
|
|
if ((inb(state->card->iobase + CODECSPDIFOUT_CIV) & 31) != (inb(state->card->iobase + CODECSPDIFOUT_LVI) & 31)) {
|
| 1219 |
|
|
printk(KERN_WARNING "ali_audio: DMA overrun on write\n");
|
| 1220 |
|
|
printk(KERN_DEBUG "ali_audio: CIV %d, LVI %d, hwptr %x, count %d\n",
|
| 1221 |
|
|
inb(state->card->iobase + CODECSPDIFOUT_CIV) & 31,
|
| 1222 |
|
|
inb(state->card->iobase + CODECSPDIFOUT_LVI) & 31,
|
| 1223 |
|
|
dmabuf->hwptr, dmabuf->count);
|
| 1224 |
|
|
dmabuf->error++;
|
| 1225 |
|
|
}
|
| 1226 |
|
|
}
|
| 1227 |
|
|
if (dmabuf->count < (dmabuf->dmasize - dmabuf->userfragsize))
|
| 1228 |
|
|
wake_up(&dmabuf->wait);
|
| 1229 |
|
|
}
|
| 1230 |
|
|
/* error handling and process wake up for CONTROLLER SPDIF OUT */
|
| 1231 |
|
|
if (dmabuf->enable == CONTROLLER_SPDIFOUT_RUNNING) {
|
| 1232 |
|
|
/* update hardware pointer */
|
| 1233 |
|
|
hwptr = ali_get_dma_addr(state, 3);
|
| 1234 |
|
|
diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize;
|
| 1235 |
|
|
dmabuf->hwptr = hwptr;
|
| 1236 |
|
|
dmabuf->total_bytes += diff;
|
| 1237 |
|
|
dmabuf->count -= diff;
|
| 1238 |
|
|
if (dmabuf->count < 0) {
|
| 1239 |
|
|
/* buffer underrun or buffer overrun */
|
| 1240 |
|
|
/* this is normal for the end of a write */
|
| 1241 |
|
|
/* only give an error if we went past the */
|
| 1242 |
|
|
/* last valid sg entry */
|
| 1243 |
|
|
if ((inb(state->card->iobase + CONTROLLERSPDIFOUT_CIV) & 31) != (inb(state->card->iobase + CONTROLLERSPDIFOUT_LVI) & 31)) {
|
| 1244 |
|
|
printk(KERN_WARNING
|
| 1245 |
|
|
"ali_audio: DMA overrun on write\n");
|
| 1246 |
|
|
printk("ali_audio: CIV %d, LVI %d, hwptr %x, "
|
| 1247 |
|
|
"count %d\n",
|
| 1248 |
|
|
inb(state->card->iobase + CONTROLLERSPDIFOUT_CIV) & 31,
|
| 1249 |
|
|
inb(state->card->iobase + CONTROLLERSPDIFOUT_LVI) & 31,
|
| 1250 |
|
|
dmabuf->hwptr, dmabuf->count);
|
| 1251 |
|
|
dmabuf->error++;
|
| 1252 |
|
|
}
|
| 1253 |
|
|
}
|
| 1254 |
|
|
if (dmabuf->count < (dmabuf->dmasize - dmabuf->userfragsize))
|
| 1255 |
|
|
wake_up(&dmabuf->wait);
|
| 1256 |
|
|
}
|
| 1257 |
|
|
}
|
| 1258 |
|
|
|
| 1259 |
|
|
static inline int ali_get_free_write_space(struct ali_state *state)
|
| 1260 |
|
|
{
|
| 1261 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1262 |
|
|
int free;
|
| 1263 |
|
|
ali_update_ptr(state);
|
| 1264 |
|
|
// catch underruns during playback
|
| 1265 |
|
|
if (dmabuf->count < 0) {
|
| 1266 |
|
|
dmabuf->count = 0;
|
| 1267 |
|
|
dmabuf->swptr = dmabuf->hwptr;
|
| 1268 |
|
|
}
|
| 1269 |
|
|
free = dmabuf->dmasize - dmabuf->count;
|
| 1270 |
|
|
free -= (dmabuf->hwptr % dmabuf->fragsize);
|
| 1271 |
|
|
if (free < 0)
|
| 1272 |
|
|
return (0);
|
| 1273 |
|
|
return (free);
|
| 1274 |
|
|
}
|
| 1275 |
|
|
|
| 1276 |
|
|
static inline int ali_get_available_read_data(struct ali_state *state)
|
| 1277 |
|
|
{
|
| 1278 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1279 |
|
|
int avail;
|
| 1280 |
|
|
ali_update_ptr(state);
|
| 1281 |
|
|
// catch overruns during record
|
| 1282 |
|
|
if (dmabuf->count > dmabuf->dmasize) {
|
| 1283 |
|
|
dmabuf->count = dmabuf->dmasize;
|
| 1284 |
|
|
dmabuf->swptr = dmabuf->hwptr;
|
| 1285 |
|
|
}
|
| 1286 |
|
|
avail = dmabuf->count;
|
| 1287 |
|
|
avail -= (dmabuf->hwptr % dmabuf->fragsize);
|
| 1288 |
|
|
if (avail < 0)
|
| 1289 |
|
|
return (0);
|
| 1290 |
|
|
return (avail);
|
| 1291 |
|
|
}
|
| 1292 |
|
|
|
| 1293 |
|
|
static int drain_dac(struct ali_state *state, int signals_allowed)
|
| 1294 |
|
|
{
|
| 1295 |
|
|
DECLARE_WAITQUEUE(wait, current);
|
| 1296 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1297 |
|
|
unsigned long flags;
|
| 1298 |
|
|
unsigned long tmo;
|
| 1299 |
|
|
int count;
|
| 1300 |
|
|
|
| 1301 |
|
|
if (!dmabuf->ready)
|
| 1302 |
|
|
return 0;
|
| 1303 |
|
|
if (dmabuf->mapped) {
|
| 1304 |
|
|
stop_dac(state);
|
| 1305 |
|
|
return 0;
|
| 1306 |
|
|
}
|
| 1307 |
|
|
add_wait_queue(&dmabuf->wait, &wait);
|
| 1308 |
|
|
for (;;) {
|
| 1309 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 1310 |
|
|
ali_update_ptr(state);
|
| 1311 |
|
|
count = dmabuf->count;
|
| 1312 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 1313 |
|
|
|
| 1314 |
|
|
if (count <= 0)
|
| 1315 |
|
|
break;
|
| 1316 |
|
|
/*
|
| 1317 |
|
|
* This will make sure that our LVI is correct, that our
|
| 1318 |
|
|
* pointer is updated, and that the DAC is running. We
|
| 1319 |
|
|
* have to force the setting of dmabuf->trigger to avoid
|
| 1320 |
|
|
* any possible deadlocks.
|
| 1321 |
|
|
*/
|
| 1322 |
|
|
if (!dmabuf->enable) {
|
| 1323 |
|
|
dmabuf->trigger = PCM_ENABLE_OUTPUT;
|
| 1324 |
|
|
ali_update_lvi(state, 0);
|
| 1325 |
|
|
}
|
| 1326 |
|
|
if (signal_pending(current) && signals_allowed) {
|
| 1327 |
|
|
break;
|
| 1328 |
|
|
}
|
| 1329 |
|
|
|
| 1330 |
|
|
/* It seems that we have to set the current state to
|
| 1331 |
|
|
* TASK_INTERRUPTIBLE every time to make the process
|
| 1332 |
|
|
* really go to sleep. This also has to be *after* the
|
| 1333 |
|
|
* update_ptr() call because update_ptr is likely to
|
| 1334 |
|
|
* do a wake_up() which will unset this before we ever
|
| 1335 |
|
|
* try to sleep, resuling in a tight loop in this code
|
| 1336 |
|
|
* instead of actually sleeping and waiting for an
|
| 1337 |
|
|
* interrupt to wake us up!
|
| 1338 |
|
|
*/
|
| 1339 |
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
| 1340 |
|
|
/*
|
| 1341 |
|
|
* set the timeout to significantly longer than it *should*
|
| 1342 |
|
|
* take for the DAC to drain the DMA buffer
|
| 1343 |
|
|
*/
|
| 1344 |
|
|
tmo = (count * HZ) / (dmabuf->rate);
|
| 1345 |
|
|
if (!schedule_timeout(tmo >= 2 ? tmo : 2)) {
|
| 1346 |
|
|
printk(KERN_ERR "ali_audio: drain_dac, dma timeout?\n");
|
| 1347 |
|
|
count = 0;
|
| 1348 |
|
|
break;
|
| 1349 |
|
|
}
|
| 1350 |
|
|
}
|
| 1351 |
|
|
set_current_state(TASK_RUNNING);
|
| 1352 |
|
|
remove_wait_queue(&dmabuf->wait, &wait);
|
| 1353 |
|
|
if (count > 0 && signal_pending(current) && signals_allowed)
|
| 1354 |
|
|
return -ERESTARTSYS;
|
| 1355 |
|
|
stop_dac(state);
|
| 1356 |
|
|
return 0;
|
| 1357 |
|
|
}
|
| 1358 |
|
|
|
| 1359 |
|
|
|
| 1360 |
|
|
static int drain_spdifout(struct ali_state *state, int signals_allowed)
|
| 1361 |
|
|
{
|
| 1362 |
|
|
DECLARE_WAITQUEUE(wait, current);
|
| 1363 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1364 |
|
|
unsigned long flags;
|
| 1365 |
|
|
unsigned long tmo;
|
| 1366 |
|
|
int count;
|
| 1367 |
|
|
if (!dmabuf->ready)
|
| 1368 |
|
|
return 0;
|
| 1369 |
|
|
if (dmabuf->mapped) {
|
| 1370 |
|
|
stop_spdifout(state);
|
| 1371 |
|
|
return 0;
|
| 1372 |
|
|
}
|
| 1373 |
|
|
add_wait_queue(&dmabuf->wait, &wait);
|
| 1374 |
|
|
for (;;) {
|
| 1375 |
|
|
|
| 1376 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 1377 |
|
|
ali_update_ptr(state);
|
| 1378 |
|
|
count = dmabuf->count;
|
| 1379 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 1380 |
|
|
if (count <= 0)
|
| 1381 |
|
|
break;
|
| 1382 |
|
|
/*
|
| 1383 |
|
|
* This will make sure that our LVI is correct, that our
|
| 1384 |
|
|
* pointer is updated, and that the DAC is running. We
|
| 1385 |
|
|
* have to force the setting of dmabuf->trigger to avoid
|
| 1386 |
|
|
* any possible deadlocks.
|
| 1387 |
|
|
*/
|
| 1388 |
|
|
if (!dmabuf->enable) {
|
| 1389 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 1390 |
|
|
dmabuf->trigger = SPDIF_ENABLE_OUTPUT;
|
| 1391 |
|
|
ali_update_lvi(state, 2);
|
| 1392 |
|
|
} else {
|
| 1393 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 1394 |
|
|
dmabuf->trigger = SPDIF_ENABLE_OUTPUT;
|
| 1395 |
|
|
ali_update_lvi(state, 3);
|
| 1396 |
|
|
}
|
| 1397 |
|
|
}
|
| 1398 |
|
|
}
|
| 1399 |
|
|
if (signal_pending(current) && signals_allowed) {
|
| 1400 |
|
|
break;
|
| 1401 |
|
|
}
|
| 1402 |
|
|
|
| 1403 |
|
|
/* It seems that we have to set the current state to
|
| 1404 |
|
|
* TASK_INTERRUPTIBLE every time to make the process
|
| 1405 |
|
|
* really go to sleep. This also has to be *after* the
|
| 1406 |
|
|
* update_ptr() call because update_ptr is likely to
|
| 1407 |
|
|
* do a wake_up() which will unset this before we ever
|
| 1408 |
|
|
* try to sleep, resuling in a tight loop in this code
|
| 1409 |
|
|
* instead of actually sleeping and waiting for an
|
| 1410 |
|
|
* interrupt to wake us up!
|
| 1411 |
|
|
*/
|
| 1412 |
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
| 1413 |
|
|
/*
|
| 1414 |
|
|
* set the timeout to significantly longer than it *should*
|
| 1415 |
|
|
* take for the DAC to drain the DMA buffer
|
| 1416 |
|
|
*/
|
| 1417 |
|
|
tmo = (count * HZ) / (dmabuf->rate);
|
| 1418 |
|
|
if (!schedule_timeout(tmo >= 2 ? tmo : 2)) {
|
| 1419 |
|
|
printk(KERN_ERR "ali_audio: drain_spdifout, dma timeout?\n");
|
| 1420 |
|
|
count = 0;
|
| 1421 |
|
|
break;
|
| 1422 |
|
|
}
|
| 1423 |
|
|
}
|
| 1424 |
|
|
set_current_state(TASK_RUNNING);
|
| 1425 |
|
|
remove_wait_queue(&dmabuf->wait, &wait);
|
| 1426 |
|
|
if (count > 0 && signal_pending(current) && signals_allowed)
|
| 1427 |
|
|
return -ERESTARTSYS;
|
| 1428 |
|
|
stop_spdifout(state);
|
| 1429 |
|
|
return 0;
|
| 1430 |
|
|
}
|
| 1431 |
|
|
|
| 1432 |
|
|
static void ali_channel_interrupt(struct ali_card *card)
|
| 1433 |
|
|
{
|
| 1434 |
|
|
int i, count;
|
| 1435 |
|
|
|
| 1436 |
|
|
for (i = 0; i < NR_HW_CH; i++) {
|
| 1437 |
|
|
struct ali_state *state = card->states[i];
|
| 1438 |
|
|
struct ali_channel *c = NULL;
|
| 1439 |
|
|
struct dmabuf *dmabuf;
|
| 1440 |
|
|
unsigned long port = card->iobase;
|
| 1441 |
|
|
u16 status;
|
| 1442 |
|
|
if (!state)
|
| 1443 |
|
|
continue;
|
| 1444 |
|
|
if (!state->dmabuf.ready)
|
| 1445 |
|
|
continue;
|
| 1446 |
|
|
dmabuf = &state->dmabuf;
|
| 1447 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 1448 |
|
|
if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING) {
|
| 1449 |
|
|
c = dmabuf->codec_spdifout_channel;
|
| 1450 |
|
|
}
|
| 1451 |
|
|
} else {
|
| 1452 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 1453 |
|
|
if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING)
|
| 1454 |
|
|
c = dmabuf->controller_spdifout_channel;
|
| 1455 |
|
|
} else {
|
| 1456 |
|
|
if (dmabuf->enable & DAC_RUNNING) {
|
| 1457 |
|
|
c = dmabuf->write_channel;
|
| 1458 |
|
|
} else if (dmabuf->enable & ADC_RUNNING) {
|
| 1459 |
|
|
c = dmabuf->read_channel;
|
| 1460 |
|
|
} else
|
| 1461 |
|
|
continue;
|
| 1462 |
|
|
}
|
| 1463 |
|
|
}
|
| 1464 |
|
|
port += c->port;
|
| 1465 |
|
|
|
| 1466 |
|
|
status = inw(port + OFF_SR);
|
| 1467 |
|
|
|
| 1468 |
|
|
if (status & DMA_INT_COMPLETE) {
|
| 1469 |
|
|
/* only wake_up() waiters if this interrupt signals
|
| 1470 |
|
|
* us being beyond a userfragsize of data open or
|
| 1471 |
|
|
* available, and ali_update_ptr() does that for
|
| 1472 |
|
|
* us
|
| 1473 |
|
|
*/
|
| 1474 |
|
|
ali_update_ptr(state);
|
| 1475 |
|
|
}
|
| 1476 |
|
|
|
| 1477 |
|
|
if (status & DMA_INT_LVI) {
|
| 1478 |
|
|
ali_update_ptr(state);
|
| 1479 |
|
|
wake_up(&dmabuf->wait);
|
| 1480 |
|
|
|
| 1481 |
|
|
if (dmabuf->enable & DAC_RUNNING)
|
| 1482 |
|
|
count = dmabuf->count;
|
| 1483 |
|
|
else if (dmabuf->enable & ADC_RUNNING)
|
| 1484 |
|
|
count = dmabuf->dmasize - dmabuf->count;
|
| 1485 |
|
|
else if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING)
|
| 1486 |
|
|
count = dmabuf->count;
|
| 1487 |
|
|
else if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING)
|
| 1488 |
|
|
count = dmabuf->count;
|
| 1489 |
|
|
else count = 0;
|
| 1490 |
|
|
|
| 1491 |
|
|
if (count > 0) {
|
| 1492 |
|
|
if (dmabuf->enable & DAC_RUNNING)
|
| 1493 |
|
|
outl((1 << 1), state->card->iobase + ALI_DMACR);
|
| 1494 |
|
|
else if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING)
|
| 1495 |
|
|
outl((1 << 3), state->card->iobase + ALI_DMACR);
|
| 1496 |
|
|
else if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING)
|
| 1497 |
|
|
outl((1 << 7), state->card->iobase + ALI_DMACR);
|
| 1498 |
|
|
} else {
|
| 1499 |
|
|
if (dmabuf->enable & DAC_RUNNING)
|
| 1500 |
|
|
__stop_dac(state);
|
| 1501 |
|
|
if (dmabuf->enable & ADC_RUNNING)
|
| 1502 |
|
|
__stop_adc(state);
|
| 1503 |
|
|
if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING)
|
| 1504 |
|
|
__stop_spdifout(state);
|
| 1505 |
|
|
if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING)
|
| 1506 |
|
|
__stop_spdifout(state);
|
| 1507 |
|
|
dmabuf->enable = 0;
|
| 1508 |
|
|
wake_up(&dmabuf->wait);
|
| 1509 |
|
|
}
|
| 1510 |
|
|
|
| 1511 |
|
|
}
|
| 1512 |
|
|
if (!(status & DMA_INT_DCH)) {
|
| 1513 |
|
|
ali_update_ptr(state);
|
| 1514 |
|
|
wake_up(&dmabuf->wait);
|
| 1515 |
|
|
if (dmabuf->enable & DAC_RUNNING)
|
| 1516 |
|
|
count = dmabuf->count;
|
| 1517 |
|
|
else if (dmabuf->enable & ADC_RUNNING)
|
| 1518 |
|
|
count = dmabuf->dmasize - dmabuf->count;
|
| 1519 |
|
|
else if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING)
|
| 1520 |
|
|
count = dmabuf->count;
|
| 1521 |
|
|
else if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING)
|
| 1522 |
|
|
count = dmabuf->count;
|
| 1523 |
|
|
else
|
| 1524 |
|
|
count = 0;
|
| 1525 |
|
|
|
| 1526 |
|
|
if (count > 0) {
|
| 1527 |
|
|
if (dmabuf->enable & DAC_RUNNING)
|
| 1528 |
|
|
outl((1 << 1), state->card->iobase + ALI_DMACR);
|
| 1529 |
|
|
else if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING)
|
| 1530 |
|
|
outl((1 << 3), state->card->iobase + ALI_DMACR);
|
| 1531 |
|
|
else if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING)
|
| 1532 |
|
|
outl((1 << 7), state->card->iobase + ALI_DMACR);
|
| 1533 |
|
|
} else {
|
| 1534 |
|
|
if (dmabuf->enable & DAC_RUNNING)
|
| 1535 |
|
|
__stop_dac(state);
|
| 1536 |
|
|
if (dmabuf->enable & ADC_RUNNING)
|
| 1537 |
|
|
__stop_adc(state);
|
| 1538 |
|
|
if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING)
|
| 1539 |
|
|
__stop_spdifout(state);
|
| 1540 |
|
|
if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING)
|
| 1541 |
|
|
__stop_spdifout(state);
|
| 1542 |
|
|
dmabuf->enable = 0;
|
| 1543 |
|
|
wake_up(&dmabuf->wait);
|
| 1544 |
|
|
}
|
| 1545 |
|
|
}
|
| 1546 |
|
|
outw(status & DMA_INT_MASK, port + OFF_SR);
|
| 1547 |
|
|
}
|
| 1548 |
|
|
}
|
| 1549 |
|
|
|
| 1550 |
|
|
static void ali_interrupt(int irq, void *dev_id, struct pt_regs *regs)
|
| 1551 |
|
|
{
|
| 1552 |
|
|
struct ali_card *card = (struct ali_card *) dev_id;
|
| 1553 |
|
|
u32 status;
|
| 1554 |
|
|
|
| 1555 |
|
|
spin_lock(&card->lock);
|
| 1556 |
|
|
status = inl(card->iobase + ALI_INTERRUPTSR);
|
| 1557 |
|
|
if (!(status & INT_MASK)) {
|
| 1558 |
|
|
spin_unlock(&card->lock);
|
| 1559 |
|
|
return; /* not for us */
|
| 1560 |
|
|
}
|
| 1561 |
|
|
|
| 1562 |
|
|
if (status & (INT_PCMOUT | INT_PCMIN | INT_MICIN | INT_SPDIFOUT | INT_CODECSPDIFOUT))
|
| 1563 |
|
|
ali_channel_interrupt(card);
|
| 1564 |
|
|
|
| 1565 |
|
|
/* clear 'em */
|
| 1566 |
|
|
outl(status & INT_MASK, card->iobase + ALI_INTERRUPTSR);
|
| 1567 |
|
|
spin_unlock(&card->lock);
|
| 1568 |
|
|
}
|
| 1569 |
|
|
|
| 1570 |
|
|
/* in this loop, dmabuf.count signifies the amount of data that is
|
| 1571 |
|
|
waiting to be copied to the user's buffer. It is filled by the dma
|
| 1572 |
|
|
machine and drained by this loop. */
|
| 1573 |
|
|
|
| 1574 |
|
|
static ssize_t ali_read(struct file *file, char *buffer, size_t count, loff_t * ppos)
|
| 1575 |
|
|
{
|
| 1576 |
|
|
struct ali_state *state = (struct ali_state *) file->private_data;
|
| 1577 |
|
|
struct ali_card *card = state ? state->card : 0;
|
| 1578 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1579 |
|
|
ssize_t ret;
|
| 1580 |
|
|
unsigned long flags;
|
| 1581 |
|
|
unsigned int swptr;
|
| 1582 |
|
|
int cnt;
|
| 1583 |
|
|
DECLARE_WAITQUEUE(waita, current);
|
| 1584 |
|
|
#ifdef DEBUG2
|
| 1585 |
|
|
printk("ali_audio: ali_read called, count = %d\n", count);
|
| 1586 |
|
|
#endif
|
| 1587 |
|
|
if (ppos != &file->f_pos)
|
| 1588 |
|
|
return -ESPIPE;
|
| 1589 |
|
|
if (dmabuf->mapped)
|
| 1590 |
|
|
return -ENXIO;
|
| 1591 |
|
|
if (dmabuf->enable & DAC_RUNNING)
|
| 1592 |
|
|
return -ENODEV;
|
| 1593 |
|
|
if (!dmabuf->read_channel) {
|
| 1594 |
|
|
dmabuf->ready = 0;
|
| 1595 |
|
|
dmabuf->read_channel = card->alloc_rec_pcm_channel(card);
|
| 1596 |
|
|
if (!dmabuf->read_channel) {
|
| 1597 |
|
|
return -EBUSY;
|
| 1598 |
|
|
}
|
| 1599 |
|
|
}
|
| 1600 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state, 1)))
|
| 1601 |
|
|
return ret;
|
| 1602 |
|
|
if (!access_ok(VERIFY_WRITE, buffer, count))
|
| 1603 |
|
|
return -EFAULT;
|
| 1604 |
|
|
ret = 0;
|
| 1605 |
|
|
add_wait_queue(&dmabuf->wait, &waita);
|
| 1606 |
|
|
while (count > 0) {
|
| 1607 |
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
| 1608 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 1609 |
|
|
if (PM_SUSPENDED(card)) {
|
| 1610 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 1611 |
|
|
schedule();
|
| 1612 |
|
|
if (signal_pending(current)) {
|
| 1613 |
|
|
if (!ret)
|
| 1614 |
|
|
ret = -EAGAIN;
|
| 1615 |
|
|
break;
|
| 1616 |
|
|
}
|
| 1617 |
|
|
continue;
|
| 1618 |
|
|
}
|
| 1619 |
|
|
swptr = dmabuf->swptr;
|
| 1620 |
|
|
cnt = ali_get_available_read_data(state);
|
| 1621 |
|
|
// this is to make the copy_to_user simpler below
|
| 1622 |
|
|
if (cnt > (dmabuf->dmasize - swptr))
|
| 1623 |
|
|
cnt = dmabuf->dmasize - swptr;
|
| 1624 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 1625 |
|
|
if (cnt > count)
|
| 1626 |
|
|
cnt = count;
|
| 1627 |
|
|
/* Lop off the last two bits to force the code to always
|
| 1628 |
|
|
* write in full samples. This keeps software that sets
|
| 1629 |
|
|
* O_NONBLOCK but doesn't check the return value of the
|
| 1630 |
|
|
* write call from getting things out of state where they
|
| 1631 |
|
|
* think a full 4 byte sample was written when really only
|
| 1632 |
|
|
* a portion was, resulting in odd sound and stereo
|
| 1633 |
|
|
* hysteresis.
|
| 1634 |
|
|
*/
|
| 1635 |
|
|
cnt &= ~0x3;
|
| 1636 |
|
|
if (cnt <= 0) {
|
| 1637 |
|
|
unsigned long tmo;
|
| 1638 |
|
|
/*
|
| 1639 |
|
|
* Don't let us deadlock. The ADC won't start if
|
| 1640 |
|
|
* dmabuf->trigger isn't set. A call to SETTRIGGER
|
| 1641 |
|
|
* could have turned it off after we set it to on
|
| 1642 |
|
|
* previously.
|
| 1643 |
|
|
*/
|
| 1644 |
|
|
dmabuf->trigger = PCM_ENABLE_INPUT;
|
| 1645 |
|
|
/*
|
| 1646 |
|
|
* This does three things. Updates LVI to be correct,
|
| 1647 |
|
|
* makes sure the ADC is running, and updates the
|
| 1648 |
|
|
* hwptr.
|
| 1649 |
|
|
*/
|
| 1650 |
|
|
ali_update_lvi(state, 1);
|
| 1651 |
|
|
if (file->f_flags & O_NONBLOCK) {
|
| 1652 |
|
|
if (!ret)
|
| 1653 |
|
|
ret = -EAGAIN;
|
| 1654 |
|
|
goto done;
|
| 1655 |
|
|
}
|
| 1656 |
|
|
/* Set the timeout to how long it would take to fill
|
| 1657 |
|
|
* two of our buffers. If we haven't been woke up
|
| 1658 |
|
|
* by then, then we know something is wrong.
|
| 1659 |
|
|
*/
|
| 1660 |
|
|
tmo = (dmabuf->dmasize * HZ * 2) / (dmabuf->rate * 4);
|
| 1661 |
|
|
|
| 1662 |
|
|
/* There are two situations when sleep_on_timeout returns, one is when
|
| 1663 |
|
|
the interrupt is serviced correctly and the process is waked up by
|
| 1664 |
|
|
ISR ON TIME. Another is when timeout is expired, which means that
|
| 1665 |
|
|
either interrupt is NOT serviced correctly (pending interrupt) or it
|
| 1666 |
|
|
is TOO LATE for the process to be scheduled to run (scheduler latency)
|
| 1667 |
|
|
which results in a (potential) buffer overrun. And worse, there is
|
| 1668 |
|
|
NOTHING we can do to prevent it. */
|
| 1669 |
|
|
if (!schedule_timeout(tmo >= 2 ? tmo : 2)) {
|
| 1670 |
|
|
printk(KERN_ERR
|
| 1671 |
|
|
"ali_audio: recording schedule timeout, "
|
| 1672 |
|
|
"dmasz %u fragsz %u count %i hwptr %u swptr %u\n",
|
| 1673 |
|
|
dmabuf->dmasize, dmabuf->fragsize,
|
| 1674 |
|
|
dmabuf->count, dmabuf->hwptr,
|
| 1675 |
|
|
dmabuf->swptr);
|
| 1676 |
|
|
/* a buffer overrun, we delay the recovery until next time the
|
| 1677 |
|
|
while loop begin and we REALLY have space to record */
|
| 1678 |
|
|
}
|
| 1679 |
|
|
if (signal_pending(current)) {
|
| 1680 |
|
|
ret = ret ? ret : -ERESTARTSYS;
|
| 1681 |
|
|
goto done;
|
| 1682 |
|
|
}
|
| 1683 |
|
|
continue;
|
| 1684 |
|
|
}
|
| 1685 |
|
|
|
| 1686 |
|
|
if (copy_to_user(buffer, dmabuf->rawbuf + swptr, cnt)) {
|
| 1687 |
|
|
if (!ret)
|
| 1688 |
|
|
ret = -EFAULT;
|
| 1689 |
|
|
goto done;
|
| 1690 |
|
|
}
|
| 1691 |
|
|
|
| 1692 |
|
|
swptr = (swptr + cnt) % dmabuf->dmasize;
|
| 1693 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 1694 |
|
|
if (PM_SUSPENDED(card)) {
|
| 1695 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 1696 |
|
|
continue;
|
| 1697 |
|
|
}
|
| 1698 |
|
|
dmabuf->swptr = swptr;
|
| 1699 |
|
|
dmabuf->count -= cnt;
|
| 1700 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 1701 |
|
|
count -= cnt;
|
| 1702 |
|
|
buffer += cnt;
|
| 1703 |
|
|
ret += cnt;
|
| 1704 |
|
|
}
|
| 1705 |
|
|
done:
|
| 1706 |
|
|
ali_update_lvi(state, 1);
|
| 1707 |
|
|
set_current_state(TASK_RUNNING);
|
| 1708 |
|
|
remove_wait_queue(&dmabuf->wait, &waita);
|
| 1709 |
|
|
return ret;
|
| 1710 |
|
|
}
|
| 1711 |
|
|
|
| 1712 |
|
|
/* in this loop, dmabuf.count signifies the amount of data that is waiting to be dma to
|
| 1713 |
|
|
the soundcard. it is drained by the dma machine and filled by this loop. */
|
| 1714 |
|
|
static ssize_t ali_write(struct file *file, const char *buffer, size_t count, loff_t * ppos)
|
| 1715 |
|
|
{
|
| 1716 |
|
|
struct ali_state *state = (struct ali_state *) file->private_data;
|
| 1717 |
|
|
struct ali_card *card = state ? state->card : 0;
|
| 1718 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1719 |
|
|
ssize_t ret;
|
| 1720 |
|
|
unsigned long flags;
|
| 1721 |
|
|
unsigned int swptr = 0;
|
| 1722 |
|
|
int cnt, x;
|
| 1723 |
|
|
DECLARE_WAITQUEUE(waita, current);
|
| 1724 |
|
|
#ifdef DEBUG2
|
| 1725 |
|
|
printk("ali_audio: ali_write called, count = %d\n", count);
|
| 1726 |
|
|
#endif
|
| 1727 |
|
|
if (ppos != &file->f_pos)
|
| 1728 |
|
|
return -ESPIPE;
|
| 1729 |
|
|
if (dmabuf->mapped)
|
| 1730 |
|
|
return -ENXIO;
|
| 1731 |
|
|
if (dmabuf->enable & ADC_RUNNING)
|
| 1732 |
|
|
return -ENODEV;
|
| 1733 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 1734 |
|
|
if (!dmabuf->codec_spdifout_channel) {
|
| 1735 |
|
|
dmabuf->ready = 0;
|
| 1736 |
|
|
dmabuf->codec_spdifout_channel = card->alloc_codec_spdifout_channel(card);
|
| 1737 |
|
|
if (!dmabuf->codec_spdifout_channel)
|
| 1738 |
|
|
return -EBUSY;
|
| 1739 |
|
|
}
|
| 1740 |
|
|
} else {
|
| 1741 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 1742 |
|
|
if (!dmabuf->controller_spdifout_channel) {
|
| 1743 |
|
|
dmabuf->ready = 0;
|
| 1744 |
|
|
dmabuf->controller_spdifout_channel = card->alloc_controller_spdifout_channel(card);
|
| 1745 |
|
|
if (!dmabuf->controller_spdifout_channel)
|
| 1746 |
|
|
return -EBUSY;
|
| 1747 |
|
|
}
|
| 1748 |
|
|
} else {
|
| 1749 |
|
|
if (!dmabuf->write_channel) {
|
| 1750 |
|
|
dmabuf->ready = 0;
|
| 1751 |
|
|
dmabuf->write_channel =
|
| 1752 |
|
|
card->alloc_pcm_channel(card);
|
| 1753 |
|
|
if (!dmabuf->write_channel)
|
| 1754 |
|
|
return -EBUSY;
|
| 1755 |
|
|
}
|
| 1756 |
|
|
}
|
| 1757 |
|
|
}
|
| 1758 |
|
|
|
| 1759 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 1760 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state, 2)))
|
| 1761 |
|
|
return ret;
|
| 1762 |
|
|
} else {
|
| 1763 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 1764 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state, 3)))
|
| 1765 |
|
|
return ret;
|
| 1766 |
|
|
} else {
|
| 1767 |
|
|
|
| 1768 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state, 0)))
|
| 1769 |
|
|
return ret;
|
| 1770 |
|
|
}
|
| 1771 |
|
|
}
|
| 1772 |
|
|
if (!access_ok(VERIFY_READ, buffer, count))
|
| 1773 |
|
|
return -EFAULT;
|
| 1774 |
|
|
ret = 0;
|
| 1775 |
|
|
add_wait_queue(&dmabuf->wait, &waita);
|
| 1776 |
|
|
while (count > 0) {
|
| 1777 |
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
| 1778 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 1779 |
|
|
if (PM_SUSPENDED(card)) {
|
| 1780 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 1781 |
|
|
schedule();
|
| 1782 |
|
|
if (signal_pending(current)) {
|
| 1783 |
|
|
if (!ret)
|
| 1784 |
|
|
ret = -EAGAIN;
|
| 1785 |
|
|
break;
|
| 1786 |
|
|
}
|
| 1787 |
|
|
continue;
|
| 1788 |
|
|
}
|
| 1789 |
|
|
|
| 1790 |
|
|
swptr = dmabuf->swptr;
|
| 1791 |
|
|
cnt = ali_get_free_write_space(state);
|
| 1792 |
|
|
/* Bound the maximum size to how much we can copy to the
|
| 1793 |
|
|
* dma buffer before we hit the end. If we have more to
|
| 1794 |
|
|
* copy then it will get done in a second pass of this
|
| 1795 |
|
|
* loop starting from the beginning of the buffer.
|
| 1796 |
|
|
*/
|
| 1797 |
|
|
if (cnt > (dmabuf->dmasize - swptr))
|
| 1798 |
|
|
cnt = dmabuf->dmasize - swptr;
|
| 1799 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 1800 |
|
|
#ifdef DEBUG2
|
| 1801 |
|
|
printk(KERN_INFO
|
| 1802 |
|
|
"ali_audio: ali_write: %d bytes available space\n",
|
| 1803 |
|
|
cnt);
|
| 1804 |
|
|
#endif
|
| 1805 |
|
|
if (cnt > count)
|
| 1806 |
|
|
cnt = count;
|
| 1807 |
|
|
/* Lop off the last two bits to force the code to always
|
| 1808 |
|
|
* write in full samples. This keeps software that sets
|
| 1809 |
|
|
* O_NONBLOCK but doesn't check the return value of the
|
| 1810 |
|
|
* write call from getting things out of state where they
|
| 1811 |
|
|
* think a full 4 byte sample was written when really only
|
| 1812 |
|
|
* a portion was, resulting in odd sound and stereo
|
| 1813 |
|
|
* hysteresis.
|
| 1814 |
|
|
*/
|
| 1815 |
|
|
cnt &= ~0x3;
|
| 1816 |
|
|
if (cnt <= 0) {
|
| 1817 |
|
|
unsigned long tmo;
|
| 1818 |
|
|
// There is data waiting to be played
|
| 1819 |
|
|
/*
|
| 1820 |
|
|
* Force the trigger setting since we would
|
| 1821 |
|
|
* deadlock with it set any other way
|
| 1822 |
|
|
*/
|
| 1823 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 1824 |
|
|
dmabuf->trigger = SPDIF_ENABLE_OUTPUT;
|
| 1825 |
|
|
ali_update_lvi(state, 2);
|
| 1826 |
|
|
} else {
|
| 1827 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 1828 |
|
|
dmabuf->trigger = SPDIF_ENABLE_OUTPUT;
|
| 1829 |
|
|
ali_update_lvi(state, 3);
|
| 1830 |
|
|
} else {
|
| 1831 |
|
|
|
| 1832 |
|
|
dmabuf->trigger = PCM_ENABLE_OUTPUT;
|
| 1833 |
|
|
ali_update_lvi(state, 0);
|
| 1834 |
|
|
}
|
| 1835 |
|
|
}
|
| 1836 |
|
|
if (file->f_flags & O_NONBLOCK) {
|
| 1837 |
|
|
if (!ret)
|
| 1838 |
|
|
ret = -EAGAIN;
|
| 1839 |
|
|
goto ret;
|
| 1840 |
|
|
}
|
| 1841 |
|
|
/* Not strictly correct but works */
|
| 1842 |
|
|
tmo = (dmabuf->dmasize * HZ * 2) / (dmabuf->rate * 4);
|
| 1843 |
|
|
/* There are two situations when sleep_on_timeout returns, one is when
|
| 1844 |
|
|
the interrupt is serviced correctly and the process is waked up by
|
| 1845 |
|
|
ISR ON TIME. Another is when timeout is expired, which means that
|
| 1846 |
|
|
either interrupt is NOT serviced correctly (pending interrupt) or it
|
| 1847 |
|
|
is TOO LATE for the process to be scheduled to run (scheduler latency)
|
| 1848 |
|
|
which results in a (potential) buffer underrun. And worse, there is
|
| 1849 |
|
|
NOTHING we can do to prevent it. */
|
| 1850 |
|
|
|
| 1851 |
|
|
/* FIXME - do timeout handling here !! */
|
| 1852 |
|
|
|
| 1853 |
|
|
if (signal_pending(current)) {
|
| 1854 |
|
|
if (!ret)
|
| 1855 |
|
|
ret = -ERESTARTSYS;
|
| 1856 |
|
|
goto ret;
|
| 1857 |
|
|
}
|
| 1858 |
|
|
continue;
|
| 1859 |
|
|
}
|
| 1860 |
|
|
if (copy_from_user(dmabuf->rawbuf + swptr, buffer, cnt)) {
|
| 1861 |
|
|
if (!ret)
|
| 1862 |
|
|
ret = -EFAULT;
|
| 1863 |
|
|
goto ret;
|
| 1864 |
|
|
}
|
| 1865 |
|
|
|
| 1866 |
|
|
swptr = (swptr + cnt) % dmabuf->dmasize;
|
| 1867 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 1868 |
|
|
if (PM_SUSPENDED(card)) {
|
| 1869 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 1870 |
|
|
continue;
|
| 1871 |
|
|
}
|
| 1872 |
|
|
|
| 1873 |
|
|
dmabuf->swptr = swptr;
|
| 1874 |
|
|
dmabuf->count += cnt;
|
| 1875 |
|
|
count -= cnt;
|
| 1876 |
|
|
buffer += cnt;
|
| 1877 |
|
|
ret += cnt;
|
| 1878 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 1879 |
|
|
}
|
| 1880 |
|
|
if (swptr % dmabuf->fragsize) {
|
| 1881 |
|
|
x = dmabuf->fragsize - (swptr % dmabuf->fragsize);
|
| 1882 |
|
|
memset(dmabuf->rawbuf + swptr, '\0', x);
|
| 1883 |
|
|
}
|
| 1884 |
|
|
ret:
|
| 1885 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 1886 |
|
|
ali_update_lvi(state, 2);
|
| 1887 |
|
|
} else {
|
| 1888 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 1889 |
|
|
ali_update_lvi(state, 3);
|
| 1890 |
|
|
} else {
|
| 1891 |
|
|
ali_update_lvi(state, 0);
|
| 1892 |
|
|
}
|
| 1893 |
|
|
}
|
| 1894 |
|
|
set_current_state(TASK_RUNNING);
|
| 1895 |
|
|
remove_wait_queue(&dmabuf->wait, &waita);
|
| 1896 |
|
|
return ret;
|
| 1897 |
|
|
}
|
| 1898 |
|
|
|
| 1899 |
|
|
/* No kernel lock - we have our own spinlock */
|
| 1900 |
|
|
static unsigned int ali_poll(struct file *file, struct poll_table_struct *wait)
|
| 1901 |
|
|
{
|
| 1902 |
|
|
struct ali_state *state = (struct ali_state *) file->private_data;
|
| 1903 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1904 |
|
|
unsigned long flags;
|
| 1905 |
|
|
unsigned int mask = 0;
|
| 1906 |
|
|
if (!dmabuf->ready)
|
| 1907 |
|
|
return 0;
|
| 1908 |
|
|
poll_wait(file, &dmabuf->wait, wait);
|
| 1909 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 1910 |
|
|
ali_update_ptr(state);
|
| 1911 |
|
|
if (file->f_mode & FMODE_READ && dmabuf->enable & ADC_RUNNING) {
|
| 1912 |
|
|
if (dmabuf->count >= (signed) dmabuf->fragsize)
|
| 1913 |
|
|
mask |= POLLIN | POLLRDNORM;
|
| 1914 |
|
|
}
|
| 1915 |
|
|
if (file->f_mode & FMODE_WRITE && (dmabuf->enable & (DAC_RUNNING|CODEC_SPDIFOUT_RUNNING|CONTROLLER_SPDIFOUT_RUNNING))) {
|
| 1916 |
|
|
if ((signed) dmabuf->dmasize >= dmabuf->count + (signed) dmabuf->fragsize)
|
| 1917 |
|
|
mask |= POLLOUT | POLLWRNORM;
|
| 1918 |
|
|
}
|
| 1919 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 1920 |
|
|
return mask;
|
| 1921 |
|
|
}
|
| 1922 |
|
|
|
| 1923 |
|
|
static int ali_mmap(struct file *file, struct vm_area_struct *vma)
|
| 1924 |
|
|
{
|
| 1925 |
|
|
struct ali_state *state = (struct ali_state *) file->private_data;
|
| 1926 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1927 |
|
|
int ret = -EINVAL;
|
| 1928 |
|
|
unsigned long size;
|
| 1929 |
|
|
lock_kernel();
|
| 1930 |
|
|
if (vma->vm_flags & VM_WRITE) {
|
| 1931 |
|
|
if (!dmabuf->write_channel && (dmabuf->write_channel = state->card->alloc_pcm_channel(state->card)) == NULL) {
|
| 1932 |
|
|
ret = -EBUSY;
|
| 1933 |
|
|
goto out;
|
| 1934 |
|
|
}
|
| 1935 |
|
|
}
|
| 1936 |
|
|
if (vma->vm_flags & VM_READ) {
|
| 1937 |
|
|
if (!dmabuf->read_channel && (dmabuf->read_channel = state->card->alloc_rec_pcm_channel(state->card)) == NULL) {
|
| 1938 |
|
|
ret = -EBUSY;
|
| 1939 |
|
|
goto out;
|
| 1940 |
|
|
}
|
| 1941 |
|
|
}
|
| 1942 |
|
|
if ((ret = prog_dmabuf(state, 0)) != 0)
|
| 1943 |
|
|
goto out;
|
| 1944 |
|
|
ret = -EINVAL;
|
| 1945 |
|
|
if (vma->vm_pgoff != 0)
|
| 1946 |
|
|
goto out;
|
| 1947 |
|
|
size = vma->vm_end - vma->vm_start;
|
| 1948 |
|
|
if (size > (PAGE_SIZE << dmabuf->buforder))
|
| 1949 |
|
|
goto out;
|
| 1950 |
|
|
ret = -EAGAIN;
|
| 1951 |
|
|
if (remap_page_range(vma->vm_start, virt_to_phys(dmabuf->rawbuf), size, vma->vm_page_prot))
|
| 1952 |
|
|
goto out;
|
| 1953 |
|
|
dmabuf->mapped = 1;
|
| 1954 |
|
|
dmabuf->trigger = 0;
|
| 1955 |
|
|
ret = 0;
|
| 1956 |
|
|
out:
|
| 1957 |
|
|
unlock_kernel();
|
| 1958 |
|
|
return ret;
|
| 1959 |
|
|
}
|
| 1960 |
|
|
|
| 1961 |
|
|
static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
|
| 1962 |
|
|
{
|
| 1963 |
|
|
struct ali_state *state = (struct ali_state *) file->private_data;
|
| 1964 |
|
|
struct ali_channel *c = NULL;
|
| 1965 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 1966 |
|
|
unsigned long flags;
|
| 1967 |
|
|
audio_buf_info abinfo;
|
| 1968 |
|
|
count_info cinfo;
|
| 1969 |
|
|
unsigned int i_scr;
|
| 1970 |
|
|
int val = 0, ret;
|
| 1971 |
|
|
struct ac97_codec *codec = state->card->ac97_codec[0];
|
| 1972 |
|
|
#ifdef DEBUG
|
| 1973 |
|
|
printk("ali_audio: ali_ioctl, arg=0x%x, cmd=",
|
| 1974 |
|
|
arg ? *(int *) arg : 0);
|
| 1975 |
|
|
#endif
|
| 1976 |
|
|
switch (cmd) {
|
| 1977 |
|
|
case OSS_GETVERSION:
|
| 1978 |
|
|
#ifdef DEBUG
|
| 1979 |
|
|
printk("OSS_GETVERSION\n");
|
| 1980 |
|
|
#endif
|
| 1981 |
|
|
return put_user(SOUND_VERSION, (int *) arg);
|
| 1982 |
|
|
case SNDCTL_DSP_RESET:
|
| 1983 |
|
|
#ifdef DEBUG
|
| 1984 |
|
|
printk("SNDCTL_DSP_RESET\n");
|
| 1985 |
|
|
#endif
|
| 1986 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 1987 |
|
|
if (dmabuf->enable == DAC_RUNNING) {
|
| 1988 |
|
|
c = dmabuf->write_channel;
|
| 1989 |
|
|
__stop_dac(state);
|
| 1990 |
|
|
}
|
| 1991 |
|
|
if (dmabuf->enable == ADC_RUNNING) {
|
| 1992 |
|
|
c = dmabuf->read_channel;
|
| 1993 |
|
|
__stop_adc(state);
|
| 1994 |
|
|
}
|
| 1995 |
|
|
if (dmabuf->enable == CODEC_SPDIFOUT_RUNNING) {
|
| 1996 |
|
|
c = dmabuf->codec_spdifout_channel;
|
| 1997 |
|
|
__stop_spdifout(state);
|
| 1998 |
|
|
}
|
| 1999 |
|
|
if (dmabuf->enable == CONTROLLER_SPDIFOUT_RUNNING) {
|
| 2000 |
|
|
c = dmabuf->controller_spdifout_channel;
|
| 2001 |
|
|
__stop_spdifout(state);
|
| 2002 |
|
|
}
|
| 2003 |
|
|
if (c != NULL) {
|
| 2004 |
|
|
outb(2, state->card->iobase + c->port + OFF_CR); /* reset DMA machine */
|
| 2005 |
|
|
outl(virt_to_bus(&c->sg[0]), state->card->iobase + c->port + OFF_BDBAR);
|
| 2006 |
|
|
outb(0, state->card->iobase + c->port + OFF_CIV);
|
| 2007 |
|
|
outb(0, state->card->iobase + c->port + OFF_LVI);
|
| 2008 |
|
|
}
|
| 2009 |
|
|
|
| 2010 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2011 |
|
|
synchronize_irq();
|
| 2012 |
|
|
dmabuf->ready = 0;
|
| 2013 |
|
|
dmabuf->swptr = dmabuf->hwptr = 0;
|
| 2014 |
|
|
dmabuf->count = dmabuf->total_bytes = 0;
|
| 2015 |
|
|
return 0;
|
| 2016 |
|
|
case SNDCTL_DSP_SYNC:
|
| 2017 |
|
|
#ifdef DEBUG
|
| 2018 |
|
|
printk("SNDCTL_DSP_SYNC\n");
|
| 2019 |
|
|
#endif
|
| 2020 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2021 |
|
|
if (dmabuf->enable != CODEC_SPDIFOUT_RUNNING
|
| 2022 |
|
|
|| file->f_flags & O_NONBLOCK)
|
| 2023 |
|
|
return 0;
|
| 2024 |
|
|
if ((val = drain_spdifout(state, 1)))
|
| 2025 |
|
|
return val;
|
| 2026 |
|
|
} else {
|
| 2027 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 2028 |
|
|
if (dmabuf->enable !=
|
| 2029 |
|
|
CONTROLLER_SPDIFOUT_RUNNING
|
| 2030 |
|
|
|| file->f_flags & O_NONBLOCK)
|
| 2031 |
|
|
return 0;
|
| 2032 |
|
|
if ((val = drain_spdifout(state, 1)))
|
| 2033 |
|
|
return val;
|
| 2034 |
|
|
} else {
|
| 2035 |
|
|
if (dmabuf->enable != DAC_RUNNING
|
| 2036 |
|
|
|| file->f_flags & O_NONBLOCK)
|
| 2037 |
|
|
return 0;
|
| 2038 |
|
|
if ((val = drain_dac(state, 1)))
|
| 2039 |
|
|
return val;
|
| 2040 |
|
|
}
|
| 2041 |
|
|
}
|
| 2042 |
|
|
dmabuf->total_bytes = 0;
|
| 2043 |
|
|
return 0;
|
| 2044 |
|
|
case SNDCTL_DSP_SPEED: /* set smaple rate */
|
| 2045 |
|
|
#ifdef DEBUG
|
| 2046 |
|
|
printk("SNDCTL_DSP_SPEED\n");
|
| 2047 |
|
|
#endif
|
| 2048 |
|
|
if (get_user(val, (int *) arg))
|
| 2049 |
|
|
return -EFAULT;
|
| 2050 |
|
|
if (val >= 0) {
|
| 2051 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
| 2052 |
|
|
if ((state->card->ac97_status & SPDIF_ON)) { /* S/PDIF Enabled */
|
| 2053 |
|
|
/* RELTEK ALC650 only support 48000, need to check that */
|
| 2054 |
|
|
if (ali_valid_spdif_rate(codec, val)) {
|
| 2055 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2056 |
|
|
ali_set_spdif_output(state, -1, 0);
|
| 2057 |
|
|
stop_spdifout(state);
|
| 2058 |
|
|
dmabuf->ready = 0;
|
| 2059 |
|
|
/* I add test codec independent spdif out */
|
| 2060 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2061 |
|
|
ali_set_codecspdifout_rate(state, val); // I modified
|
| 2062 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2063 |
|
|
/* Set S/PDIF transmitter rate. */
|
| 2064 |
|
|
i_scr = inl(state->card->iobase + ALI_SCR);
|
| 2065 |
|
|
if ((i_scr & 0x00300000) == 0x00100000) {
|
| 2066 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_7_8, codec_independent_spdif_locked);
|
| 2067 |
|
|
} else {
|
| 2068 |
|
|
if ((i_scr&0x00300000) == 0x00200000)
|
| 2069 |
|
|
{
|
| 2070 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_6_9, codec_independent_spdif_locked);
|
| 2071 |
|
|
} else {
|
| 2072 |
|
|
if ((i_scr & 0x00300000) == 0x00300000) {
|
| 2073 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_10_11, codec_independent_spdif_locked);
|
| 2074 |
|
|
} else {
|
| 2075 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_7_8, codec_independent_spdif_locked);
|
| 2076 |
|
|
}
|
| 2077 |
|
|
}
|
| 2078 |
|
|
}
|
| 2079 |
|
|
|
| 2080 |
|
|
if (!(state->card->ac97_status & SPDIF_ON)) {
|
| 2081 |
|
|
val = dmabuf->rate;
|
| 2082 |
|
|
}
|
| 2083 |
|
|
} else {
|
| 2084 |
|
|
if (controller_independent_spdif_locked > 0)
|
| 2085 |
|
|
{
|
| 2086 |
|
|
stop_spdifout(state);
|
| 2087 |
|
|
dmabuf->ready = 0;
|
| 2088 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2089 |
|
|
ali_set_spdifout_rate(state, controller_independent_spdif_locked);
|
| 2090 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2091 |
|
|
} else {
|
| 2092 |
|
|
/* Set DAC rate */
|
| 2093 |
|
|
ali_set_spdif_output(state, -1, 0);
|
| 2094 |
|
|
stop_dac(state);
|
| 2095 |
|
|
dmabuf->ready = 0;
|
| 2096 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2097 |
|
|
ali_set_dac_rate(state, val);
|
| 2098 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2099 |
|
|
/* Set S/PDIF transmitter rate. */
|
| 2100 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_3_4, val);
|
| 2101 |
|
|
if (!(state->card->ac97_status & SPDIF_ON))
|
| 2102 |
|
|
{
|
| 2103 |
|
|
val = dmabuf->rate;
|
| 2104 |
|
|
}
|
| 2105 |
|
|
}
|
| 2106 |
|
|
}
|
| 2107 |
|
|
} else { /* Not a valid rate for S/PDIF, ignore it */
|
| 2108 |
|
|
val = dmabuf->rate;
|
| 2109 |
|
|
}
|
| 2110 |
|
|
} else {
|
| 2111 |
|
|
stop_dac(state);
|
| 2112 |
|
|
dmabuf->ready = 0;
|
| 2113 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2114 |
|
|
ali_set_dac_rate(state, val);
|
| 2115 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2116 |
|
|
}
|
| 2117 |
|
|
}
|
| 2118 |
|
|
if (file->f_mode & FMODE_READ) {
|
| 2119 |
|
|
stop_adc(state);
|
| 2120 |
|
|
dmabuf->ready = 0;
|
| 2121 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2122 |
|
|
ali_set_adc_rate(state, val);
|
| 2123 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2124 |
|
|
}
|
| 2125 |
|
|
}
|
| 2126 |
|
|
return put_user(dmabuf->rate, (int *) arg);
|
| 2127 |
|
|
case SNDCTL_DSP_STEREO: /* set stereo or mono channel */
|
| 2128 |
|
|
#ifdef DEBUG
|
| 2129 |
|
|
printk("SNDCTL_DSP_STEREO\n");
|
| 2130 |
|
|
#endif
|
| 2131 |
|
|
if (dmabuf->enable & DAC_RUNNING) {
|
| 2132 |
|
|
stop_dac(state);
|
| 2133 |
|
|
}
|
| 2134 |
|
|
if (dmabuf->enable & ADC_RUNNING) {
|
| 2135 |
|
|
stop_adc(state);
|
| 2136 |
|
|
}
|
| 2137 |
|
|
if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING) {
|
| 2138 |
|
|
stop_spdifout(state);
|
| 2139 |
|
|
}
|
| 2140 |
|
|
if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING) {
|
| 2141 |
|
|
stop_spdifout(state);
|
| 2142 |
|
|
}
|
| 2143 |
|
|
return put_user(1, (int *) arg);
|
| 2144 |
|
|
case SNDCTL_DSP_GETBLKSIZE:
|
| 2145 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
| 2146 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2147 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 2)))
|
| 2148 |
|
|
return val;
|
| 2149 |
|
|
} else {
|
| 2150 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 2151 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 3)))
|
| 2152 |
|
|
return val;
|
| 2153 |
|
|
} else {
|
| 2154 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 0)))
|
| 2155 |
|
|
return val;
|
| 2156 |
|
|
}
|
| 2157 |
|
|
}
|
| 2158 |
|
|
}
|
| 2159 |
|
|
|
| 2160 |
|
|
if (file->f_mode & FMODE_READ) {
|
| 2161 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 1)))
|
| 2162 |
|
|
return val;
|
| 2163 |
|
|
}
|
| 2164 |
|
|
#ifdef DEBUG
|
| 2165 |
|
|
printk("SNDCTL_DSP_GETBLKSIZE %d\n", dmabuf->userfragsize);
|
| 2166 |
|
|
#endif
|
| 2167 |
|
|
return put_user(dmabuf->userfragsize, (int *) arg);
|
| 2168 |
|
|
case SNDCTL_DSP_GETFMTS: /* Returns a mask of supported sample format */
|
| 2169 |
|
|
#ifdef DEBUG
|
| 2170 |
|
|
printk("SNDCTL_DSP_GETFMTS\n");
|
| 2171 |
|
|
#endif
|
| 2172 |
|
|
return put_user(AFMT_S16_LE, (int *) arg);
|
| 2173 |
|
|
case SNDCTL_DSP_SETFMT: /* Select sample format */
|
| 2174 |
|
|
#ifdef DEBUG
|
| 2175 |
|
|
printk("SNDCTL_DSP_SETFMT\n");
|
| 2176 |
|
|
#endif
|
| 2177 |
|
|
return put_user(AFMT_S16_LE, (int *) arg);
|
| 2178 |
|
|
case SNDCTL_DSP_CHANNELS: // add support 4,6 channel
|
| 2179 |
|
|
#ifdef DEBUG
|
| 2180 |
|
|
printk("SNDCTL_DSP_CHANNELS\n");
|
| 2181 |
|
|
#endif
|
| 2182 |
|
|
if (get_user(val, (int *) arg))
|
| 2183 |
|
|
return -EFAULT;
|
| 2184 |
|
|
if (val > 0) {
|
| 2185 |
|
|
if (dmabuf->enable & DAC_RUNNING) {
|
| 2186 |
|
|
stop_dac(state);
|
| 2187 |
|
|
}
|
| 2188 |
|
|
if (dmabuf->enable & CODEC_SPDIFOUT_RUNNING) {
|
| 2189 |
|
|
stop_spdifout(state);
|
| 2190 |
|
|
}
|
| 2191 |
|
|
if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING) {
|
| 2192 |
|
|
stop_spdifout(state);
|
| 2193 |
|
|
}
|
| 2194 |
|
|
if (dmabuf->enable & ADC_RUNNING) {
|
| 2195 |
|
|
stop_adc(state);
|
| 2196 |
|
|
}
|
| 2197 |
|
|
} else {
|
| 2198 |
|
|
return put_user(state->card->channels, (int *) arg);
|
| 2199 |
|
|
}
|
| 2200 |
|
|
|
| 2201 |
|
|
i_scr = inl(state->card->iobase + ALI_SCR);
|
| 2202 |
|
|
/* Current # of channels enabled */
|
| 2203 |
|
|
if (i_scr & 0x00000100)
|
| 2204 |
|
|
ret = 4;
|
| 2205 |
|
|
else if (i_scr & 0x00000200)
|
| 2206 |
|
|
ret = 6;
|
| 2207 |
|
|
else
|
| 2208 |
|
|
ret = 2;
|
| 2209 |
|
|
switch (val) {
|
| 2210 |
|
|
case 2: /* 2 channels is always supported */
|
| 2211 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2212 |
|
|
outl(((i_scr & 0xfffffcff) | 0x00100000), (state->card->iobase + ALI_SCR));
|
| 2213 |
|
|
} else
|
| 2214 |
|
|
outl((i_scr & 0xfffffcff), (state->card->iobase + ALI_SCR));
|
| 2215 |
|
|
/* Do we need to change mixer settings???? */
|
| 2216 |
|
|
break;
|
| 2217 |
|
|
case 4: /* Supported on some chipsets, better check first */
|
| 2218 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2219 |
|
|
outl(((i_scr & 0xfffffcff) | 0x00000100 | 0x00200000), (state->card->iobase + ALI_SCR));
|
| 2220 |
|
|
} else
|
| 2221 |
|
|
outl(((i_scr & 0xfffffcff) | 0x00000100), (state->card->iobase + ALI_SCR));
|
| 2222 |
|
|
break;
|
| 2223 |
|
|
case 6: /* Supported on some chipsets, better check first */
|
| 2224 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2225 |
|
|
outl(((i_scr & 0xfffffcff) | 0x00000200 | 0x00008000 | 0x00300000), (state->card->iobase + ALI_SCR));
|
| 2226 |
|
|
} else
|
| 2227 |
|
|
outl(((i_scr & 0xfffffcff) | 0x00000200 | 0x00008000), (state->card->iobase + ALI_SCR));
|
| 2228 |
|
|
break;
|
| 2229 |
|
|
default: /* nothing else is ever supported by the chipset */
|
| 2230 |
|
|
val = ret;
|
| 2231 |
|
|
break;
|
| 2232 |
|
|
}
|
| 2233 |
|
|
return put_user(val, (int *) arg);
|
| 2234 |
|
|
case SNDCTL_DSP_POST: /* the user has sent all data and is notifying us */
|
| 2235 |
|
|
/* we update the swptr to the end of the last sg segment then return */
|
| 2236 |
|
|
#ifdef DEBUG
|
| 2237 |
|
|
printk("SNDCTL_DSP_POST\n");
|
| 2238 |
|
|
#endif
|
| 2239 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2240 |
|
|
if (!dmabuf->ready || (dmabuf->enable != CODEC_SPDIFOUT_RUNNING))
|
| 2241 |
|
|
return 0;
|
| 2242 |
|
|
} else {
|
| 2243 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 2244 |
|
|
if (!dmabuf->ready || (dmabuf->enable != CONTROLLER_SPDIFOUT_RUNNING))
|
| 2245 |
|
|
return 0;
|
| 2246 |
|
|
} else {
|
| 2247 |
|
|
if (!dmabuf->ready || (dmabuf->enable != DAC_RUNNING))
|
| 2248 |
|
|
return 0;
|
| 2249 |
|
|
}
|
| 2250 |
|
|
}
|
| 2251 |
|
|
if ((dmabuf->swptr % dmabuf->fragsize) != 0) {
|
| 2252 |
|
|
val = dmabuf->fragsize - (dmabuf->swptr % dmabuf->fragsize);
|
| 2253 |
|
|
dmabuf->swptr += val;
|
| 2254 |
|
|
dmabuf->count += val;
|
| 2255 |
|
|
}
|
| 2256 |
|
|
return 0;
|
| 2257 |
|
|
case SNDCTL_DSP_SUBDIVIDE:
|
| 2258 |
|
|
if (dmabuf->subdivision)
|
| 2259 |
|
|
return -EINVAL;
|
| 2260 |
|
|
if (get_user(val, (int *) arg))
|
| 2261 |
|
|
return -EFAULT;
|
| 2262 |
|
|
if (val != 1 && val != 2 && val != 4)
|
| 2263 |
|
|
return -EINVAL;
|
| 2264 |
|
|
#ifdef DEBUG
|
| 2265 |
|
|
printk("SNDCTL_DSP_SUBDIVIDE %d\n", val);
|
| 2266 |
|
|
#endif
|
| 2267 |
|
|
dmabuf->subdivision = val;
|
| 2268 |
|
|
dmabuf->ready = 0;
|
| 2269 |
|
|
return 0;
|
| 2270 |
|
|
case SNDCTL_DSP_SETFRAGMENT:
|
| 2271 |
|
|
if (get_user(val, (int *) arg))
|
| 2272 |
|
|
return -EFAULT;
|
| 2273 |
|
|
dmabuf->ossfragsize = 1 << (val & 0xffff);
|
| 2274 |
|
|
dmabuf->ossmaxfrags = (val >> 16) & 0xffff;
|
| 2275 |
|
|
if (!dmabuf->ossfragsize || !dmabuf->ossmaxfrags)
|
| 2276 |
|
|
return -EINVAL;
|
| 2277 |
|
|
/*
|
| 2278 |
|
|
* Bound the frag size into our allowed range of 256 - 4096
|
| 2279 |
|
|
*/
|
| 2280 |
|
|
if (dmabuf->ossfragsize < 256)
|
| 2281 |
|
|
dmabuf->ossfragsize = 256;
|
| 2282 |
|
|
else if (dmabuf->ossfragsize > 4096)
|
| 2283 |
|
|
dmabuf->ossfragsize = 4096;
|
| 2284 |
|
|
/*
|
| 2285 |
|
|
* The numfrags could be something reasonable, or it could
|
| 2286 |
|
|
* be 0xffff meaning "Give me as much as possible". So,
|
| 2287 |
|
|
* we check the numfrags * fragsize doesn't exceed our
|
| 2288 |
|
|
* 64k buffer limit, nor is it less than our 8k minimum.
|
| 2289 |
|
|
* If it fails either one of these checks, then adjust the
|
| 2290 |
|
|
* number of fragments, not the size of them. It's OK if
|
| 2291 |
|
|
* our number of fragments doesn't equal 32 or anything
|
| 2292 |
|
|
* like our hardware based number now since we are using
|
| 2293 |
|
|
* a different frag count for the hardware. Before we get
|
| 2294 |
|
|
* into this though, bound the maxfrags to avoid overflow
|
| 2295 |
|
|
* issues. A reasonable bound would be 64k / 256 since our
|
| 2296 |
|
|
* maximum buffer size is 64k and our minimum frag size is
|
| 2297 |
|
|
* 256. On the other end, our minimum buffer size is 8k and
|
| 2298 |
|
|
* our maximum frag size is 4k, so the lower bound should
|
| 2299 |
|
|
* be 2.
|
| 2300 |
|
|
*/
|
| 2301 |
|
|
if (dmabuf->ossmaxfrags > 256)
|
| 2302 |
|
|
dmabuf->ossmaxfrags = 256;
|
| 2303 |
|
|
else if (dmabuf->ossmaxfrags < 2)
|
| 2304 |
|
|
dmabuf->ossmaxfrags = 2;
|
| 2305 |
|
|
val = dmabuf->ossfragsize * dmabuf->ossmaxfrags;
|
| 2306 |
|
|
while (val < 8192) {
|
| 2307 |
|
|
val <<= 1;
|
| 2308 |
|
|
dmabuf->ossmaxfrags <<= 1;
|
| 2309 |
|
|
}
|
| 2310 |
|
|
while (val > 65536) {
|
| 2311 |
|
|
val >>= 1;
|
| 2312 |
|
|
dmabuf->ossmaxfrags >>= 1;
|
| 2313 |
|
|
}
|
| 2314 |
|
|
dmabuf->ready = 0;
|
| 2315 |
|
|
#ifdef DEBUG
|
| 2316 |
|
|
printk("SNDCTL_DSP_SETFRAGMENT 0x%x, %d, %d\n", val,
|
| 2317 |
|
|
dmabuf->ossfragsize, dmabuf->ossmaxfrags);
|
| 2318 |
|
|
#endif
|
| 2319 |
|
|
return 0;
|
| 2320 |
|
|
case SNDCTL_DSP_GETOSPACE:
|
| 2321 |
|
|
if (!(file->f_mode & FMODE_WRITE))
|
| 2322 |
|
|
return -EINVAL;
|
| 2323 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2324 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 2)) != 0)
|
| 2325 |
|
|
return val;
|
| 2326 |
|
|
} else {
|
| 2327 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 2328 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 3)) != 0)
|
| 2329 |
|
|
return val;
|
| 2330 |
|
|
} else {
|
| 2331 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 0)) != 0)
|
| 2332 |
|
|
return val;
|
| 2333 |
|
|
}
|
| 2334 |
|
|
}
|
| 2335 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2336 |
|
|
ali_update_ptr(state);
|
| 2337 |
|
|
abinfo.fragsize = dmabuf->userfragsize;
|
| 2338 |
|
|
abinfo.fragstotal = dmabuf->userfrags;
|
| 2339 |
|
|
if (dmabuf->mapped)
|
| 2340 |
|
|
abinfo.bytes = dmabuf->dmasize;
|
| 2341 |
|
|
else
|
| 2342 |
|
|
abinfo.bytes = ali_get_free_write_space(state);
|
| 2343 |
|
|
abinfo.fragments = abinfo.bytes / dmabuf->userfragsize;
|
| 2344 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2345 |
|
|
#if defined(DEBUG) || defined(DEBUG_MMAP)
|
| 2346 |
|
|
printk("SNDCTL_DSP_GETOSPACE %d, %d, %d, %d\n",
|
| 2347 |
|
|
abinfo.bytes, abinfo.fragsize, abinfo.fragments,
|
| 2348 |
|
|
abinfo.fragstotal);
|
| 2349 |
|
|
#endif
|
| 2350 |
|
|
return copy_to_user((void *) arg, &abinfo,
|
| 2351 |
|
|
sizeof(abinfo)) ? -EFAULT : 0;
|
| 2352 |
|
|
case SNDCTL_DSP_GETOPTR:
|
| 2353 |
|
|
if (!(file->f_mode & FMODE_WRITE))
|
| 2354 |
|
|
return -EINVAL;
|
| 2355 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2356 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 2)) != 0)
|
| 2357 |
|
|
return val;
|
| 2358 |
|
|
} else {
|
| 2359 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 2360 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 3)) != 0)
|
| 2361 |
|
|
return val;
|
| 2362 |
|
|
} else {
|
| 2363 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 0)) != 0)
|
| 2364 |
|
|
return val;
|
| 2365 |
|
|
}
|
| 2366 |
|
|
}
|
| 2367 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2368 |
|
|
val = ali_get_free_write_space(state);
|
| 2369 |
|
|
cinfo.bytes = dmabuf->total_bytes;
|
| 2370 |
|
|
cinfo.ptr = dmabuf->hwptr;
|
| 2371 |
|
|
cinfo.blocks = val / dmabuf->userfragsize;
|
| 2372 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2373 |
|
|
if (dmabuf->mapped && (dmabuf->trigger & SPDIF_ENABLE_OUTPUT)) {
|
| 2374 |
|
|
dmabuf->count += val;
|
| 2375 |
|
|
dmabuf->swptr = (dmabuf->swptr + val) % dmabuf->dmasize;
|
| 2376 |
|
|
__ali_update_lvi(state, 2);
|
| 2377 |
|
|
}
|
| 2378 |
|
|
} else {
|
| 2379 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 2380 |
|
|
if (dmabuf->mapped && (dmabuf->trigger & SPDIF_ENABLE_OUTPUT)) {
|
| 2381 |
|
|
dmabuf->count += val;
|
| 2382 |
|
|
dmabuf->swptr = (dmabuf->swptr + val) % dmabuf->dmasize;
|
| 2383 |
|
|
__ali_update_lvi(state, 3);
|
| 2384 |
|
|
}
|
| 2385 |
|
|
} else {
|
| 2386 |
|
|
if (dmabuf->mapped && (dmabuf->trigger & PCM_ENABLE_OUTPUT)) {
|
| 2387 |
|
|
dmabuf->count += val;
|
| 2388 |
|
|
dmabuf->swptr = (dmabuf->swptr + val) % dmabuf->dmasize;
|
| 2389 |
|
|
__ali_update_lvi(state, 0);
|
| 2390 |
|
|
}
|
| 2391 |
|
|
}
|
| 2392 |
|
|
}
|
| 2393 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2394 |
|
|
#if defined(DEBUG) || defined(DEBUG_MMAP)
|
| 2395 |
|
|
printk("SNDCTL_DSP_GETOPTR %d, %d, %d, %d\n", cinfo.bytes,
|
| 2396 |
|
|
cinfo.blocks, cinfo.ptr, dmabuf->count);
|
| 2397 |
|
|
#endif
|
| 2398 |
|
|
return copy_to_user((void *) arg, &cinfo, sizeof(cinfo));
|
| 2399 |
|
|
case SNDCTL_DSP_GETISPACE:
|
| 2400 |
|
|
if (!(file->f_mode & FMODE_READ))
|
| 2401 |
|
|
return -EINVAL;
|
| 2402 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 1)) != 0)
|
| 2403 |
|
|
return val;
|
| 2404 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2405 |
|
|
abinfo.bytes = ali_get_available_read_data(state);
|
| 2406 |
|
|
abinfo.fragsize = dmabuf->userfragsize;
|
| 2407 |
|
|
abinfo.fragstotal = dmabuf->userfrags;
|
| 2408 |
|
|
abinfo.fragments = abinfo.bytes / dmabuf->userfragsize;
|
| 2409 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2410 |
|
|
#if defined(DEBUG) || defined(DEBUG_MMAP)
|
| 2411 |
|
|
printk("SNDCTL_DSP_GETISPACE %d, %d, %d, %d\n",
|
| 2412 |
|
|
abinfo.bytes, abinfo.fragsize, abinfo.fragments,
|
| 2413 |
|
|
abinfo.fragstotal);
|
| 2414 |
|
|
#endif
|
| 2415 |
|
|
return copy_to_user((void *) arg, &abinfo,
|
| 2416 |
|
|
sizeof(abinfo)) ? -EFAULT : 0;
|
| 2417 |
|
|
case SNDCTL_DSP_GETIPTR:
|
| 2418 |
|
|
if (!(file->f_mode & FMODE_READ))
|
| 2419 |
|
|
return -EINVAL;
|
| 2420 |
|
|
if (!dmabuf->ready && (val = prog_dmabuf(state, 0)) != 0)
|
| 2421 |
|
|
return val;
|
| 2422 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2423 |
|
|
val = ali_get_available_read_data(state);
|
| 2424 |
|
|
cinfo.bytes = dmabuf->total_bytes;
|
| 2425 |
|
|
cinfo.blocks = val / dmabuf->userfragsize;
|
| 2426 |
|
|
cinfo.ptr = dmabuf->hwptr;
|
| 2427 |
|
|
if (dmabuf->mapped && (dmabuf->trigger & PCM_ENABLE_INPUT)) {
|
| 2428 |
|
|
dmabuf->count -= val;
|
| 2429 |
|
|
dmabuf->swptr = (dmabuf->swptr + val) % dmabuf->dmasize;
|
| 2430 |
|
|
__ali_update_lvi(state, 1);
|
| 2431 |
|
|
}
|
| 2432 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2433 |
|
|
#if defined(DEBUG) || defined(DEBUG_MMAP)
|
| 2434 |
|
|
printk("SNDCTL_DSP_GETIPTR %d, %d, %d, %d\n", cinfo.bytes,
|
| 2435 |
|
|
cinfo.blocks, cinfo.ptr, dmabuf->count);
|
| 2436 |
|
|
#endif
|
| 2437 |
|
|
return copy_to_user((void *) arg, &cinfo, sizeof(cinfo));
|
| 2438 |
|
|
case SNDCTL_DSP_NONBLOCK:
|
| 2439 |
|
|
#ifdef DEBUG
|
| 2440 |
|
|
printk("SNDCTL_DSP_NONBLOCK\n");
|
| 2441 |
|
|
#endif
|
| 2442 |
|
|
file->f_flags |= O_NONBLOCK;
|
| 2443 |
|
|
return 0;
|
| 2444 |
|
|
case SNDCTL_DSP_GETCAPS:
|
| 2445 |
|
|
#ifdef DEBUG
|
| 2446 |
|
|
printk("SNDCTL_DSP_GETCAPS\n");
|
| 2447 |
|
|
#endif
|
| 2448 |
|
|
return put_user(DSP_CAP_REALTIME | DSP_CAP_TRIGGER |
|
| 2449 |
|
|
DSP_CAP_MMAP | DSP_CAP_BIND, (int *) arg);
|
| 2450 |
|
|
case SNDCTL_DSP_GETTRIGGER:
|
| 2451 |
|
|
val = 0;
|
| 2452 |
|
|
#ifdef DEBUG
|
| 2453 |
|
|
printk("SNDCTL_DSP_GETTRIGGER 0x%x\n", dmabuf->trigger);
|
| 2454 |
|
|
#endif
|
| 2455 |
|
|
return put_user(dmabuf->trigger, (int *) arg);
|
| 2456 |
|
|
case SNDCTL_DSP_SETTRIGGER:
|
| 2457 |
|
|
if (get_user(val, (int *) arg))
|
| 2458 |
|
|
return -EFAULT;
|
| 2459 |
|
|
#if defined(DEBUG) || defined(DEBUG_MMAP)
|
| 2460 |
|
|
printk("SNDCTL_DSP_SETTRIGGER 0x%x\n", val);
|
| 2461 |
|
|
#endif
|
| 2462 |
|
|
if (!(val & PCM_ENABLE_INPUT) && dmabuf->enable == ADC_RUNNING) {
|
| 2463 |
|
|
stop_adc(state);
|
| 2464 |
|
|
}
|
| 2465 |
|
|
if (!(val & PCM_ENABLE_OUTPUT) && dmabuf->enable == DAC_RUNNING) {
|
| 2466 |
|
|
stop_dac(state);
|
| 2467 |
|
|
}
|
| 2468 |
|
|
if (!(val & SPDIF_ENABLE_OUTPUT) && dmabuf->enable == CODEC_SPDIFOUT_RUNNING) {
|
| 2469 |
|
|
stop_spdifout(state);
|
| 2470 |
|
|
}
|
| 2471 |
|
|
if (!(val & SPDIF_ENABLE_OUTPUT) && dmabuf->enable == CONTROLLER_SPDIFOUT_RUNNING) {
|
| 2472 |
|
|
stop_spdifout(state);
|
| 2473 |
|
|
}
|
| 2474 |
|
|
dmabuf->trigger = val;
|
| 2475 |
|
|
if (val & PCM_ENABLE_OUTPUT && !(dmabuf->enable & DAC_RUNNING)) {
|
| 2476 |
|
|
if (!dmabuf->write_channel) {
|
| 2477 |
|
|
dmabuf->ready = 0;
|
| 2478 |
|
|
dmabuf->write_channel = state->card->alloc_pcm_channel(state->card);
|
| 2479 |
|
|
if (!dmabuf->write_channel)
|
| 2480 |
|
|
return -EBUSY;
|
| 2481 |
|
|
}
|
| 2482 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state, 0)))
|
| 2483 |
|
|
return ret;
|
| 2484 |
|
|
if (dmabuf->mapped) {
|
| 2485 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2486 |
|
|
ali_update_ptr(state);
|
| 2487 |
|
|
dmabuf->count = 0;
|
| 2488 |
|
|
dmabuf->swptr = dmabuf->hwptr;
|
| 2489 |
|
|
dmabuf->count = ali_get_free_write_space(state);
|
| 2490 |
|
|
dmabuf->swptr = (dmabuf->swptr + dmabuf->count) % dmabuf->dmasize;
|
| 2491 |
|
|
__ali_update_lvi(state, 0);
|
| 2492 |
|
|
spin_unlock_irqrestore(&state->card->lock,
|
| 2493 |
|
|
flags);
|
| 2494 |
|
|
} else
|
| 2495 |
|
|
start_dac(state);
|
| 2496 |
|
|
}
|
| 2497 |
|
|
if (val & SPDIF_ENABLE_OUTPUT && !(dmabuf->enable & CODEC_SPDIFOUT_RUNNING)) {
|
| 2498 |
|
|
if (!dmabuf->codec_spdifout_channel) {
|
| 2499 |
|
|
dmabuf->ready = 0;
|
| 2500 |
|
|
dmabuf->codec_spdifout_channel = state->card->alloc_codec_spdifout_channel(state->card);
|
| 2501 |
|
|
if (!dmabuf->codec_spdifout_channel)
|
| 2502 |
|
|
return -EBUSY;
|
| 2503 |
|
|
}
|
| 2504 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state, 2)))
|
| 2505 |
|
|
return ret;
|
| 2506 |
|
|
if (dmabuf->mapped) {
|
| 2507 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2508 |
|
|
ali_update_ptr(state);
|
| 2509 |
|
|
dmabuf->count = 0;
|
| 2510 |
|
|
dmabuf->swptr = dmabuf->hwptr;
|
| 2511 |
|
|
dmabuf->count = ali_get_free_write_space(state);
|
| 2512 |
|
|
dmabuf->swptr = (dmabuf->swptr + dmabuf->count) % dmabuf->dmasize;
|
| 2513 |
|
|
__ali_update_lvi(state, 2);
|
| 2514 |
|
|
spin_unlock_irqrestore(&state->card->lock,
|
| 2515 |
|
|
flags);
|
| 2516 |
|
|
} else
|
| 2517 |
|
|
start_spdifout(state);
|
| 2518 |
|
|
}
|
| 2519 |
|
|
if (val & SPDIF_ENABLE_OUTPUT && !(dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING)) {
|
| 2520 |
|
|
if (!dmabuf->controller_spdifout_channel) {
|
| 2521 |
|
|
dmabuf->ready = 0;
|
| 2522 |
|
|
dmabuf->controller_spdifout_channel = state->card->alloc_controller_spdifout_channel(state->card);
|
| 2523 |
|
|
if (!dmabuf->controller_spdifout_channel)
|
| 2524 |
|
|
return -EBUSY;
|
| 2525 |
|
|
}
|
| 2526 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state, 3)))
|
| 2527 |
|
|
return ret;
|
| 2528 |
|
|
if (dmabuf->mapped) {
|
| 2529 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2530 |
|
|
ali_update_ptr(state);
|
| 2531 |
|
|
dmabuf->count = 0;
|
| 2532 |
|
|
dmabuf->swptr = dmabuf->hwptr;
|
| 2533 |
|
|
dmabuf->count = ali_get_free_write_space(state);
|
| 2534 |
|
|
dmabuf->swptr = (dmabuf->swptr + dmabuf->count) % dmabuf->dmasize;
|
| 2535 |
|
|
__ali_update_lvi(state, 3);
|
| 2536 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2537 |
|
|
} else
|
| 2538 |
|
|
start_spdifout(state);
|
| 2539 |
|
|
}
|
| 2540 |
|
|
if (val & PCM_ENABLE_INPUT && !(dmabuf->enable & ADC_RUNNING)) {
|
| 2541 |
|
|
if (!dmabuf->read_channel) {
|
| 2542 |
|
|
dmabuf->ready = 0;
|
| 2543 |
|
|
dmabuf->read_channel = state->card->alloc_rec_pcm_channel(state->card);
|
| 2544 |
|
|
if (!dmabuf->read_channel)
|
| 2545 |
|
|
return -EBUSY;
|
| 2546 |
|
|
}
|
| 2547 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state, 1)))
|
| 2548 |
|
|
return ret;
|
| 2549 |
|
|
if (dmabuf->mapped) {
|
| 2550 |
|
|
spin_lock_irqsave(&state->card->lock,
|
| 2551 |
|
|
flags);
|
| 2552 |
|
|
ali_update_ptr(state);
|
| 2553 |
|
|
dmabuf->swptr = dmabuf->hwptr;
|
| 2554 |
|
|
dmabuf->count = 0;
|
| 2555 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2556 |
|
|
}
|
| 2557 |
|
|
ali_update_lvi(state, 1);
|
| 2558 |
|
|
start_adc(state);
|
| 2559 |
|
|
}
|
| 2560 |
|
|
return 0;
|
| 2561 |
|
|
case SNDCTL_DSP_SETDUPLEX:
|
| 2562 |
|
|
#ifdef DEBUG
|
| 2563 |
|
|
printk("SNDCTL_DSP_SETDUPLEX\n");
|
| 2564 |
|
|
#endif
|
| 2565 |
|
|
return -EINVAL;
|
| 2566 |
|
|
case SNDCTL_DSP_GETODELAY:
|
| 2567 |
|
|
if (!(file->f_mode & FMODE_WRITE))
|
| 2568 |
|
|
return -EINVAL;
|
| 2569 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
| 2570 |
|
|
ali_update_ptr(state);
|
| 2571 |
|
|
val = dmabuf->count;
|
| 2572 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
| 2573 |
|
|
#ifdef DEBUG
|
| 2574 |
|
|
printk("SNDCTL_DSP_GETODELAY %d\n", dmabuf->count);
|
| 2575 |
|
|
#endif
|
| 2576 |
|
|
return put_user(val, (int *) arg);
|
| 2577 |
|
|
case SOUND_PCM_READ_RATE:
|
| 2578 |
|
|
#ifdef DEBUG
|
| 2579 |
|
|
printk("SOUND_PCM_READ_RATE %d\n", dmabuf->rate);
|
| 2580 |
|
|
#endif
|
| 2581 |
|
|
return put_user(dmabuf->rate, (int *) arg);
|
| 2582 |
|
|
case SOUND_PCM_READ_CHANNELS:
|
| 2583 |
|
|
#ifdef DEBUG
|
| 2584 |
|
|
printk("SOUND_PCM_READ_CHANNELS\n");
|
| 2585 |
|
|
#endif
|
| 2586 |
|
|
return put_user(2, (int *) arg);
|
| 2587 |
|
|
case SOUND_PCM_READ_BITS:
|
| 2588 |
|
|
#ifdef DEBUG
|
| 2589 |
|
|
printk("SOUND_PCM_READ_BITS\n");
|
| 2590 |
|
|
#endif
|
| 2591 |
|
|
return put_user(AFMT_S16_LE, (int *) arg);
|
| 2592 |
|
|
case SNDCTL_DSP_SETSPDIF: /* Set S/PDIF Control register */
|
| 2593 |
|
|
#ifdef DEBUG
|
| 2594 |
|
|
printk("SNDCTL_DSP_SETSPDIF\n");
|
| 2595 |
|
|
#endif
|
| 2596 |
|
|
if (get_user(val, (int *) arg))
|
| 2597 |
|
|
return -EFAULT;
|
| 2598 |
|
|
/* Check to make sure the codec supports S/PDIF transmitter */
|
| 2599 |
|
|
if ((state->card->ac97_features & 4)) {
|
| 2600 |
|
|
/* mask out the transmitter speed bits so the user can't set them */
|
| 2601 |
|
|
val &= ~0x3000;
|
| 2602 |
|
|
/* Add the current transmitter speed bits to the passed value */
|
| 2603 |
|
|
ret = ali_ac97_get(codec, AC97_SPDIF_CONTROL);
|
| 2604 |
|
|
val |= (ret & 0x3000);
|
| 2605 |
|
|
ali_ac97_set(codec, AC97_SPDIF_CONTROL, val);
|
| 2606 |
|
|
if (ali_ac97_get(codec, AC97_SPDIF_CONTROL) != val) {
|
| 2607 |
|
|
printk(KERN_ERR "ali_audio: Unable to set S/PDIF configuration to 0x%04x.\n", val);
|
| 2608 |
|
|
return -EFAULT;
|
| 2609 |
|
|
}
|
| 2610 |
|
|
}
|
| 2611 |
|
|
#ifdef DEBUG
|
| 2612 |
|
|
else
|
| 2613 |
|
|
printk(KERN_WARNING "ali_audio: S/PDIF transmitter not avalible.\n");
|
| 2614 |
|
|
#endif
|
| 2615 |
|
|
return put_user(val, (int *) arg);
|
| 2616 |
|
|
case SNDCTL_DSP_GETSPDIF: /* Get S/PDIF Control register */
|
| 2617 |
|
|
#ifdef DEBUG
|
| 2618 |
|
|
printk("SNDCTL_DSP_GETSPDIF\n");
|
| 2619 |
|
|
#endif
|
| 2620 |
|
|
if (get_user(val, (int *) arg))
|
| 2621 |
|
|
return -EFAULT;
|
| 2622 |
|
|
/* Check to make sure the codec supports S/PDIF transmitter */
|
| 2623 |
|
|
if (!(state->card->ac97_features & 4)) {
|
| 2624 |
|
|
#ifdef DEBUG
|
| 2625 |
|
|
printk(KERN_WARNING "ali_audio: S/PDIF transmitter not avalible.\n");
|
| 2626 |
|
|
#endif
|
| 2627 |
|
|
val = 0;
|
| 2628 |
|
|
} else {
|
| 2629 |
|
|
val = ali_ac97_get(codec, AC97_SPDIF_CONTROL);
|
| 2630 |
|
|
}
|
| 2631 |
|
|
|
| 2632 |
|
|
return put_user(val, (int *) arg);
|
| 2633 |
|
|
//end add support spdif out
|
| 2634 |
|
|
//add support 4,6 channel
|
| 2635 |
|
|
case SNDCTL_DSP_GETCHANNELMASK:
|
| 2636 |
|
|
#ifdef DEBUG
|
| 2637 |
|
|
printk("SNDCTL_DSP_GETCHANNELMASK\n");
|
| 2638 |
|
|
#endif
|
| 2639 |
|
|
if (get_user(val, (int *) arg))
|
| 2640 |
|
|
return -EFAULT;
|
| 2641 |
|
|
/* Based on AC'97 DAC support, not ICH hardware */
|
| 2642 |
|
|
val = DSP_BIND_FRONT;
|
| 2643 |
|
|
if (state->card->ac97_features & 0x0004)
|
| 2644 |
|
|
val |= DSP_BIND_SPDIF;
|
| 2645 |
|
|
if (state->card->ac97_features & 0x0080)
|
| 2646 |
|
|
val |= DSP_BIND_SURR;
|
| 2647 |
|
|
if (state->card->ac97_features & 0x0140)
|
| 2648 |
|
|
val |= DSP_BIND_CENTER_LFE;
|
| 2649 |
|
|
return put_user(val, (int *) arg);
|
| 2650 |
|
|
case SNDCTL_DSP_BIND_CHANNEL:
|
| 2651 |
|
|
#ifdef DEBUG
|
| 2652 |
|
|
printk("SNDCTL_DSP_BIND_CHANNEL\n");
|
| 2653 |
|
|
#endif
|
| 2654 |
|
|
if (get_user(val, (int *) arg))
|
| 2655 |
|
|
return -EFAULT;
|
| 2656 |
|
|
if (val == DSP_BIND_QUERY) {
|
| 2657 |
|
|
val = DSP_BIND_FRONT; /* Always report this as being enabled */
|
| 2658 |
|
|
if (state->card->ac97_status & SPDIF_ON)
|
| 2659 |
|
|
val |= DSP_BIND_SPDIF;
|
| 2660 |
|
|
else {
|
| 2661 |
|
|
if (state->card->ac97_status & SURR_ON)
|
| 2662 |
|
|
val |= DSP_BIND_SURR;
|
| 2663 |
|
|
if (state->card->
|
| 2664 |
|
|
ac97_status & CENTER_LFE_ON)
|
| 2665 |
|
|
val |= DSP_BIND_CENTER_LFE;
|
| 2666 |
|
|
}
|
| 2667 |
|
|
} else { /* Not a query, set it */
|
| 2668 |
|
|
if (!(file->f_mode & FMODE_WRITE))
|
| 2669 |
|
|
return -EINVAL;
|
| 2670 |
|
|
if (dmabuf->enable == DAC_RUNNING) {
|
| 2671 |
|
|
stop_dac(state);
|
| 2672 |
|
|
}
|
| 2673 |
|
|
if (val & DSP_BIND_SPDIF) { /* Turn on SPDIF */
|
| 2674 |
|
|
/* Ok, this should probably define what slots
|
| 2675 |
|
|
* to use. For now, we'll only set it to the
|
| 2676 |
|
|
* defaults:
|
| 2677 |
|
|
*
|
| 2678 |
|
|
* non multichannel codec maps to slots 3&4
|
| 2679 |
|
|
* 2 channel codec maps to slots 7&8
|
| 2680 |
|
|
* 4 channel codec maps to slots 6&9
|
| 2681 |
|
|
* 6 channel codec maps to slots 10&11
|
| 2682 |
|
|
*
|
| 2683 |
|
|
* there should be some way for the app to
|
| 2684 |
|
|
* select the slot assignment.
|
| 2685 |
|
|
*/
|
| 2686 |
|
|
i_scr = inl(state->card->iobase + ALI_SCR);
|
| 2687 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2688 |
|
|
|
| 2689 |
|
|
if ((i_scr & 0x00300000) == 0x00100000) {
|
| 2690 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_7_8, codec_independent_spdif_locked);
|
| 2691 |
|
|
} else {
|
| 2692 |
|
|
if ((i_scr & 0x00300000) == 0x00200000) {
|
| 2693 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_6_9, codec_independent_spdif_locked);
|
| 2694 |
|
|
} else {
|
| 2695 |
|
|
if ((i_scr & 0x00300000) == 0x00300000) {
|
| 2696 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_10_11, codec_independent_spdif_locked);
|
| 2697 |
|
|
}
|
| 2698 |
|
|
}
|
| 2699 |
|
|
}
|
| 2700 |
|
|
} else { /* codec spdif out (pcm out share ) */
|
| 2701 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_3_4, dmabuf->rate); //I do not modify
|
| 2702 |
|
|
}
|
| 2703 |
|
|
|
| 2704 |
|
|
if (!(state->card->ac97_status & SPDIF_ON))
|
| 2705 |
|
|
val &= ~DSP_BIND_SPDIF;
|
| 2706 |
|
|
} else {
|
| 2707 |
|
|
int mask;
|
| 2708 |
|
|
int channels;
|
| 2709 |
|
|
/* Turn off S/PDIF if it was on */
|
| 2710 |
|
|
if (state->card->ac97_status & SPDIF_ON)
|
| 2711 |
|
|
ali_set_spdif_output(state, -1, 0);
|
| 2712 |
|
|
mask =
|
| 2713 |
|
|
val & (DSP_BIND_FRONT | DSP_BIND_SURR |
|
| 2714 |
|
|
DSP_BIND_CENTER_LFE);
|
| 2715 |
|
|
switch (mask) {
|
| 2716 |
|
|
case DSP_BIND_FRONT:
|
| 2717 |
|
|
channels = 2;
|
| 2718 |
|
|
break;
|
| 2719 |
|
|
case DSP_BIND_FRONT | DSP_BIND_SURR:
|
| 2720 |
|
|
channels = 4;
|
| 2721 |
|
|
break;
|
| 2722 |
|
|
case DSP_BIND_FRONT | DSP_BIND_SURR | DSP_BIND_CENTER_LFE:
|
| 2723 |
|
|
channels = 6;
|
| 2724 |
|
|
break;
|
| 2725 |
|
|
default:
|
| 2726 |
|
|
val = DSP_BIND_FRONT;
|
| 2727 |
|
|
channels = 2;
|
| 2728 |
|
|
break;
|
| 2729 |
|
|
}
|
| 2730 |
|
|
ali_set_dac_channels(state, channels);
|
| 2731 |
|
|
/* check that they really got turned on */
|
| 2732 |
|
|
if (!state->card->ac97_status & SURR_ON)
|
| 2733 |
|
|
val &= ~DSP_BIND_SURR;
|
| 2734 |
|
|
if (!state->card->
|
| 2735 |
|
|
ac97_status & CENTER_LFE_ON)
|
| 2736 |
|
|
val &= ~DSP_BIND_CENTER_LFE;
|
| 2737 |
|
|
}
|
| 2738 |
|
|
}
|
| 2739 |
|
|
return put_user(val, (int *) arg);
|
| 2740 |
|
|
case SNDCTL_DSP_MAPINBUF:
|
| 2741 |
|
|
case SNDCTL_DSP_MAPOUTBUF:
|
| 2742 |
|
|
case SNDCTL_DSP_SETSYNCRO:
|
| 2743 |
|
|
case SOUND_PCM_WRITE_FILTER:
|
| 2744 |
|
|
case SOUND_PCM_READ_FILTER:
|
| 2745 |
|
|
return -EINVAL;
|
| 2746 |
|
|
}
|
| 2747 |
|
|
return -EINVAL;
|
| 2748 |
|
|
}
|
| 2749 |
|
|
|
| 2750 |
|
|
static int ali_open(struct inode *inode, struct file *file)
|
| 2751 |
|
|
{
|
| 2752 |
|
|
int i = 0;
|
| 2753 |
|
|
struct ali_card *card = devs;
|
| 2754 |
|
|
struct ali_state *state = NULL;
|
| 2755 |
|
|
struct dmabuf *dmabuf = NULL;
|
| 2756 |
|
|
unsigned int i_scr;
|
| 2757 |
|
|
|
| 2758 |
|
|
/* find an available virtual channel (instance of /dev/dsp) */
|
| 2759 |
|
|
|
| 2760 |
|
|
while (card != NULL) {
|
| 2761 |
|
|
|
| 2762 |
|
|
/*
|
| 2763 |
|
|
* If we are initializing and then fail, card could go
|
| 2764 |
|
|
* away unuexpectedly while we are in the for() loop.
|
| 2765 |
|
|
* So, check for card on each iteration before we check
|
| 2766 |
|
|
* for card->initializing to avoid a possible oops.
|
| 2767 |
|
|
* This usually only matters for times when the driver is
|
| 2768 |
|
|
* autoloaded by kmod.
|
| 2769 |
|
|
*/
|
| 2770 |
|
|
for (i = 0; i < 50 && card && card->initializing; i++) {
|
| 2771 |
|
|
set_current_state(TASK_UNINTERRUPTIBLE);
|
| 2772 |
|
|
schedule_timeout(HZ / 20);
|
| 2773 |
|
|
}
|
| 2774 |
|
|
|
| 2775 |
|
|
for (i = 0; i < NR_HW_CH && card && !card->initializing; i++) {
|
| 2776 |
|
|
if (card->states[i] == NULL) {
|
| 2777 |
|
|
state = card->states[i] = (struct ali_state *) kmalloc(sizeof(struct ali_state), GFP_KERNEL);
|
| 2778 |
|
|
if (state == NULL)
|
| 2779 |
|
|
return -ENOMEM;
|
| 2780 |
|
|
memset(state, 0, sizeof(struct ali_state));
|
| 2781 |
|
|
dmabuf = &state->dmabuf;
|
| 2782 |
|
|
goto found_virt;
|
| 2783 |
|
|
}
|
| 2784 |
|
|
}
|
| 2785 |
|
|
card = card->next;
|
| 2786 |
|
|
}
|
| 2787 |
|
|
|
| 2788 |
|
|
/* no more virtual channel avaiable */
|
| 2789 |
|
|
if (!state)
|
| 2790 |
|
|
return -ENODEV;
|
| 2791 |
|
|
found_virt:
|
| 2792 |
|
|
/* initialize the virtual channel */
|
| 2793 |
|
|
|
| 2794 |
|
|
state->virt = i;
|
| 2795 |
|
|
state->card = card;
|
| 2796 |
|
|
state->magic = ALI5455_STATE_MAGIC;
|
| 2797 |
|
|
init_waitqueue_head(&dmabuf->wait);
|
| 2798 |
|
|
init_MUTEX(&state->open_sem);
|
| 2799 |
|
|
file->private_data = state;
|
| 2800 |
|
|
dmabuf->trigger = 0;
|
| 2801 |
|
|
/* allocate hardware channels */
|
| 2802 |
|
|
if (file->f_mode & FMODE_READ) {
|
| 2803 |
|
|
if ((dmabuf->read_channel =
|
| 2804 |
|
|
card->alloc_rec_pcm_channel(card)) == NULL) {
|
| 2805 |
|
|
kfree(card->states[i]);
|
| 2806 |
|
|
card->states[i] = NULL;
|
| 2807 |
|
|
return -EBUSY;
|
| 2808 |
|
|
}
|
| 2809 |
|
|
dmabuf->trigger |= PCM_ENABLE_INPUT;
|
| 2810 |
|
|
ali_set_adc_rate(state, 8000);
|
| 2811 |
|
|
}
|
| 2812 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
| 2813 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2814 |
|
|
if ((dmabuf->codec_spdifout_channel = card->alloc_codec_spdifout_channel(card)) == NULL) {
|
| 2815 |
|
|
kfree(card->states[i]);
|
| 2816 |
|
|
card->states[i] = NULL;
|
| 2817 |
|
|
return -EBUSY;
|
| 2818 |
|
|
}
|
| 2819 |
|
|
dmabuf->trigger |= SPDIF_ENABLE_OUTPUT;
|
| 2820 |
|
|
ali_set_codecspdifout_rate(state, codec_independent_spdif_locked); //It must add
|
| 2821 |
|
|
i_scr = inl(state->card->iobase + ALI_SCR);
|
| 2822 |
|
|
if ((i_scr & 0x00300000) == 0x00100000) {
|
| 2823 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_7_8, codec_independent_spdif_locked);
|
| 2824 |
|
|
} else {
|
| 2825 |
|
|
if ((i_scr & 0x00300000) == 0x00200000) {
|
| 2826 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_6_9, codec_independent_spdif_locked);
|
| 2827 |
|
|
} else {
|
| 2828 |
|
|
if ((i_scr & 0x00300000) == 0x00300000) {
|
| 2829 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_10_11, codec_independent_spdif_locked);
|
| 2830 |
|
|
} else {
|
| 2831 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_7_8, codec_independent_spdif_locked);
|
| 2832 |
|
|
}
|
| 2833 |
|
|
}
|
| 2834 |
|
|
|
| 2835 |
|
|
}
|
| 2836 |
|
|
} else {
|
| 2837 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 2838 |
|
|
if ((dmabuf->controller_spdifout_channel = card->alloc_controller_spdifout_channel(card)) == NULL) {
|
| 2839 |
|
|
kfree(card->states[i]);
|
| 2840 |
|
|
card->states[i] = NULL;
|
| 2841 |
|
|
return -EBUSY;
|
| 2842 |
|
|
}
|
| 2843 |
|
|
dmabuf->trigger |= SPDIF_ENABLE_OUTPUT;
|
| 2844 |
|
|
ali_set_spdifout_rate(state, controller_independent_spdif_locked);
|
| 2845 |
|
|
} else {
|
| 2846 |
|
|
if ((dmabuf->write_channel = card->alloc_pcm_channel(card)) == NULL) {
|
| 2847 |
|
|
kfree(card->states[i]);
|
| 2848 |
|
|
card->states[i] = NULL;
|
| 2849 |
|
|
return -EBUSY;
|
| 2850 |
|
|
}
|
| 2851 |
|
|
/* Initialize to 8kHz? What if we don't support 8kHz? */
|
| 2852 |
|
|
/* Let's change this to check for S/PDIF stuff */
|
| 2853 |
|
|
|
| 2854 |
|
|
dmabuf->trigger |= PCM_ENABLE_OUTPUT;
|
| 2855 |
|
|
if (codec_pcmout_share_spdif_locked) {
|
| 2856 |
|
|
ali_set_dac_rate(state, codec_pcmout_share_spdif_locked);
|
| 2857 |
|
|
ali_set_spdif_output(state, AC97_EA_SPSA_3_4, codec_pcmout_share_spdif_locked);
|
| 2858 |
|
|
} else {
|
| 2859 |
|
|
ali_set_dac_rate(state, 8000);
|
| 2860 |
|
|
}
|
| 2861 |
|
|
}
|
| 2862 |
|
|
|
| 2863 |
|
|
}
|
| 2864 |
|
|
}
|
| 2865 |
|
|
|
| 2866 |
|
|
/* set default sample format. According to OSS Programmer's Guide /dev/dsp
|
| 2867 |
|
|
should be default to unsigned 8-bits, mono, with sample rate 8kHz and
|
| 2868 |
|
|
/dev/dspW will accept 16-bits sample, but we don't support those so we
|
| 2869 |
|
|
set it immediately to stereo and 16bit, which is all we do support */
|
| 2870 |
|
|
dmabuf->fmt |= ALI5455_FMT_16BIT | ALI5455_FMT_STEREO;
|
| 2871 |
|
|
dmabuf->ossfragsize = 0;
|
| 2872 |
|
|
dmabuf->ossmaxfrags = 0;
|
| 2873 |
|
|
dmabuf->subdivision = 0;
|
| 2874 |
|
|
state->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
|
| 2875 |
|
|
outl(0x00000000, card->iobase + ALI_INTERRUPTCR);
|
| 2876 |
|
|
outl(0x00000000, card->iobase + ALI_INTERRUPTSR);
|
| 2877 |
|
|
return 0;
|
| 2878 |
|
|
}
|
| 2879 |
|
|
|
| 2880 |
|
|
static int ali_release(struct inode *inode, struct file *file)
|
| 2881 |
|
|
{
|
| 2882 |
|
|
struct ali_state *state = (struct ali_state *) file->private_data;
|
| 2883 |
|
|
struct ali_card *card = state->card;
|
| 2884 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
| 2885 |
|
|
unsigned long flags;
|
| 2886 |
|
|
lock_kernel();
|
| 2887 |
|
|
|
| 2888 |
|
|
/* stop DMA state machine and free DMA buffers/channels */
|
| 2889 |
|
|
if (dmabuf->trigger & PCM_ENABLE_OUTPUT)
|
| 2890 |
|
|
drain_dac(state, 0);
|
| 2891 |
|
|
|
| 2892 |
|
|
if (dmabuf->trigger & SPDIF_ENABLE_OUTPUT)
|
| 2893 |
|
|
drain_spdifout(state, 0);
|
| 2894 |
|
|
|
| 2895 |
|
|
if (dmabuf->trigger & PCM_ENABLE_INPUT)
|
| 2896 |
|
|
stop_adc(state);
|
| 2897 |
|
|
|
| 2898 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 2899 |
|
|
dealloc_dmabuf(state);
|
| 2900 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
| 2901 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 2902 |
|
|
state->card->free_pcm_channel(state->card, dmabuf->codec_spdifout_channel->num);
|
| 2903 |
|
|
} else {
|
| 2904 |
|
|
if (controller_independent_spdif_locked > 0)
|
| 2905 |
|
|
state->card->free_pcm_channel(state->card,
|
| 2906 |
|
|
dmabuf->controller_spdifout_channel->num);
|
| 2907 |
|
|
else state->card->free_pcm_channel(state->card,
|
| 2908 |
|
|
dmabuf->write_channel->num);
|
| 2909 |
|
|
}
|
| 2910 |
|
|
}
|
| 2911 |
|
|
if (file->f_mode & FMODE_READ)
|
| 2912 |
|
|
state->card->free_pcm_channel(state->card, dmabuf->read_channel->num);
|
| 2913 |
|
|
|
| 2914 |
|
|
state->card->states[state->virt] = NULL;
|
| 2915 |
|
|
kfree(state);
|
| 2916 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 2917 |
|
|
unlock_kernel();
|
| 2918 |
|
|
return 0;
|
| 2919 |
|
|
}
|
| 2920 |
|
|
|
| 2921 |
|
|
static /*const */ struct file_operations ali_audio_fops = {
|
| 2922 |
|
|
owner:THIS_MODULE,
|
| 2923 |
|
|
llseek:no_llseek,
|
| 2924 |
|
|
read:ali_read,
|
| 2925 |
|
|
write:ali_write,
|
| 2926 |
|
|
poll:ali_poll,
|
| 2927 |
|
|
ioctl:ali_ioctl,
|
| 2928 |
|
|
mmap:ali_mmap,
|
| 2929 |
|
|
open:ali_open,
|
| 2930 |
|
|
release:ali_release,
|
| 2931 |
|
|
};
|
| 2932 |
|
|
|
| 2933 |
|
|
/* Read AC97 codec registers */
|
| 2934 |
|
|
static u16 ali_ac97_get(struct ac97_codec *dev, u8 reg)
|
| 2935 |
|
|
{
|
| 2936 |
|
|
struct ali_card *card = dev->private_data;
|
| 2937 |
|
|
int count1 = 100;
|
| 2938 |
|
|
char val;
|
| 2939 |
|
|
unsigned short int data, count, addr1, addr2;
|
| 2940 |
|
|
|
| 2941 |
|
|
spin_lock(&card->ac97_lock);
|
| 2942 |
|
|
while (count1-- && (inl(card->iobase + ALI_CAS) & 0x80000000))
|
| 2943 |
|
|
udelay(1);
|
| 2944 |
|
|
|
| 2945 |
|
|
addr1 = reg;
|
| 2946 |
|
|
reg |= 0x0080;
|
| 2947 |
|
|
for (count = 0; count < 0x7f; count++) {
|
| 2948 |
|
|
val = inb(card->iobase + ALI_CSPSR);
|
| 2949 |
|
|
if (val & 0x08)
|
| 2950 |
|
|
break;
|
| 2951 |
|
|
}
|
| 2952 |
|
|
if (count == 0x7f)
|
| 2953 |
|
|
{
|
| 2954 |
|
|
spin_unlock(&card->ac97_lock);
|
| 2955 |
|
|
return -1;
|
| 2956 |
|
|
}
|
| 2957 |
|
|
outw(reg, (card->iobase + ALI_CPR) + 2);
|
| 2958 |
|
|
for (count = 0; count < 0x7f; count++) {
|
| 2959 |
|
|
val = inb(card->iobase + ALI_CSPSR);
|
| 2960 |
|
|
if (val & 0x02) {
|
| 2961 |
|
|
data = inw(card->iobase + ALI_SPR);
|
| 2962 |
|
|
addr2 = inw((card->iobase + ALI_SPR) + 2);
|
| 2963 |
|
|
break;
|
| 2964 |
|
|
}
|
| 2965 |
|
|
}
|
| 2966 |
|
|
spin_unlock(&card->ac97_lock);
|
| 2967 |
|
|
if (count == 0x7f)
|
| 2968 |
|
|
return -1;
|
| 2969 |
|
|
if (addr2 != addr1)
|
| 2970 |
|
|
return -1;
|
| 2971 |
|
|
return ((u16) data);
|
| 2972 |
|
|
}
|
| 2973 |
|
|
|
| 2974 |
|
|
/* write ac97 codec register */
|
| 2975 |
|
|
|
| 2976 |
|
|
static void ali_ac97_set(struct ac97_codec *dev, u8 reg, u16 data)
|
| 2977 |
|
|
{
|
| 2978 |
|
|
struct ali_card *card = dev->private_data;
|
| 2979 |
|
|
int count1 = 100;
|
| 2980 |
|
|
char val;
|
| 2981 |
|
|
unsigned short int count;
|
| 2982 |
|
|
|
| 2983 |
|
|
spin_lock(&card->ac97_lock);
|
| 2984 |
|
|
while (count1-- && (inl(card->iobase + ALI_CAS) & 0x80000000))
|
| 2985 |
|
|
udelay(1);
|
| 2986 |
|
|
|
| 2987 |
|
|
for (count = 0; count < 0x7f; count++) {
|
| 2988 |
|
|
val = inb(card->iobase + ALI_CSPSR);
|
| 2989 |
|
|
if (val & 0x08)
|
| 2990 |
|
|
break;
|
| 2991 |
|
|
}
|
| 2992 |
|
|
if (count == 0x7f) {
|
| 2993 |
|
|
printk(KERN_WARNING "ali_ac97_set: AC97 codec register access timed out. \n");
|
| 2994 |
|
|
spin_unlock(&card->ac97_lock);
|
| 2995 |
|
|
return;
|
| 2996 |
|
|
}
|
| 2997 |
|
|
outw(data, (card->iobase + ALI_CPR));
|
| 2998 |
|
|
outb(reg, (card->iobase + ALI_CPR) + 2);
|
| 2999 |
|
|
for (count = 0; count < 0x7f; count++) {
|
| 3000 |
|
|
val = inb(card->iobase + ALI_CSPSR);
|
| 3001 |
|
|
if (val & 0x01)
|
| 3002 |
|
|
break;
|
| 3003 |
|
|
}
|
| 3004 |
|
|
spin_unlock(&card->ac97_lock);
|
| 3005 |
|
|
if (count == 0x7f)
|
| 3006 |
|
|
printk(KERN_WARNING "ali_ac97_set: AC97 codec register access timed out. \n");
|
| 3007 |
|
|
return;
|
| 3008 |
|
|
}
|
| 3009 |
|
|
|
| 3010 |
|
|
/* OSS /dev/mixer file operation methods */
|
| 3011 |
|
|
|
| 3012 |
|
|
static int ali_open_mixdev(struct inode *inode, struct file *file)
|
| 3013 |
|
|
{
|
| 3014 |
|
|
int i;
|
| 3015 |
|
|
int minor = MINOR(inode->i_rdev);
|
| 3016 |
|
|
struct ali_card *card = devs;
|
| 3017 |
|
|
for (card = devs; card != NULL; card = card->next) {
|
| 3018 |
|
|
/*
|
| 3019 |
|
|
* If we are initializing and then fail, card could go
|
| 3020 |
|
|
* away unuexpectedly while we are in the for() loop.
|
| 3021 |
|
|
* So, check for card on each iteration before we check
|
| 3022 |
|
|
* for card->initializing to avoid a possible oops.
|
| 3023 |
|
|
* This usually only matters for times when the driver is
|
| 3024 |
|
|
* autoloaded by kmod.
|
| 3025 |
|
|
*/
|
| 3026 |
|
|
for (i = 0; i < 50 && card && card->initializing; i++) {
|
| 3027 |
|
|
set_current_state(TASK_UNINTERRUPTIBLE);
|
| 3028 |
|
|
schedule_timeout(HZ / 20);
|
| 3029 |
|
|
}
|
| 3030 |
|
|
for (i = 0; i < NR_AC97 && card && !card->initializing; i++)
|
| 3031 |
|
|
if (card->ac97_codec[i] != NULL
|
| 3032 |
|
|
&& card->ac97_codec[i]->dev_mixer == minor) {
|
| 3033 |
|
|
file->private_data = card->ac97_codec[i];
|
| 3034 |
|
|
return 0;
|
| 3035 |
|
|
}
|
| 3036 |
|
|
}
|
| 3037 |
|
|
return -ENODEV;
|
| 3038 |
|
|
}
|
| 3039 |
|
|
|
| 3040 |
|
|
static int ali_ioctl_mixdev(struct inode *inode,
|
| 3041 |
|
|
struct file *file,
|
| 3042 |
|
|
unsigned int cmd, unsigned long arg)
|
| 3043 |
|
|
{
|
| 3044 |
|
|
struct ac97_codec *codec = (struct ac97_codec *) file->private_data;
|
| 3045 |
|
|
return codec->mixer_ioctl(codec, cmd, arg);
|
| 3046 |
|
|
}
|
| 3047 |
|
|
|
| 3048 |
|
|
static /*const */ struct file_operations ali_mixer_fops = {
|
| 3049 |
|
|
owner:THIS_MODULE,
|
| 3050 |
|
|
llseek:no_llseek,
|
| 3051 |
|
|
ioctl:ali_ioctl_mixdev,
|
| 3052 |
|
|
open:ali_open_mixdev,
|
| 3053 |
|
|
};
|
| 3054 |
|
|
|
| 3055 |
|
|
/* AC97 codec initialisation. These small functions exist so we don't
|
| 3056 |
|
|
duplicate code between module init and apm resume */
|
| 3057 |
|
|
|
| 3058 |
|
|
static inline int ali_ac97_exists(struct ali_card *card, int ac97_number)
|
| 3059 |
|
|
{
|
| 3060 |
|
|
unsigned int i = 1;
|
| 3061 |
|
|
u32 reg = inl(card->iobase + ALI_RTSR);
|
| 3062 |
|
|
if (ac97_number) {
|
| 3063 |
|
|
while (i < 100) {
|
| 3064 |
|
|
|
| 3065 |
|
|
reg = inl(card->iobase + ALI_RTSR);
|
| 3066 |
|
|
if (reg & 0x40) {
|
| 3067 |
|
|
break;
|
| 3068 |
|
|
} else {
|
| 3069 |
|
|
outl(reg | 0x00000040,
|
| 3070 |
|
|
card->iobase + 0x34);
|
| 3071 |
|
|
udelay(1);
|
| 3072 |
|
|
}
|
| 3073 |
|
|
i++;
|
| 3074 |
|
|
}
|
| 3075 |
|
|
|
| 3076 |
|
|
} else {
|
| 3077 |
|
|
while (i < 100) {
|
| 3078 |
|
|
reg = inl(card->iobase + ALI_RTSR);
|
| 3079 |
|
|
if (reg & 0x80) {
|
| 3080 |
|
|
break;
|
| 3081 |
|
|
} else {
|
| 3082 |
|
|
outl(reg | 0x00000080,
|
| 3083 |
|
|
card->iobase + 0x34);
|
| 3084 |
|
|
udelay(1);
|
| 3085 |
|
|
}
|
| 3086 |
|
|
i++;
|
| 3087 |
|
|
}
|
| 3088 |
|
|
}
|
| 3089 |
|
|
|
| 3090 |
|
|
if (ac97_number)
|
| 3091 |
|
|
return reg & 0x40;
|
| 3092 |
|
|
else
|
| 3093 |
|
|
return reg & 0x80;
|
| 3094 |
|
|
}
|
| 3095 |
|
|
|
| 3096 |
|
|
static inline int ali_ac97_enable_variable_rate(struct ac97_codec *codec)
|
| 3097 |
|
|
{
|
| 3098 |
|
|
ali_ac97_set(codec, AC97_EXTENDED_STATUS, 9);
|
| 3099 |
|
|
ali_ac97_set(codec, AC97_EXTENDED_STATUS, ali_ac97_get(codec, AC97_EXTENDED_STATUS) | 0xE800);
|
| 3100 |
|
|
return (ali_ac97_get(codec, AC97_EXTENDED_STATUS) & 1);
|
| 3101 |
|
|
}
|
| 3102 |
|
|
|
| 3103 |
|
|
|
| 3104 |
|
|
static int ali_ac97_probe_and_powerup(struct ali_card *card, struct ac97_codec *codec)
|
| 3105 |
|
|
{
|
| 3106 |
|
|
/* Returns 0 on failure */
|
| 3107 |
|
|
int i;
|
| 3108 |
|
|
u16 addr;
|
| 3109 |
|
|
if (ac97_probe_codec(codec) == 0)
|
| 3110 |
|
|
return 0;
|
| 3111 |
|
|
/* ac97_probe_codec is success ,then begin to init codec */
|
| 3112 |
|
|
ali_ac97_set(codec, AC97_RESET, 0xffff);
|
| 3113 |
|
|
if (card->channel[0].used == 1) {
|
| 3114 |
|
|
ali_ac97_set(codec, AC97_RECORD_SELECT, 0x0000);
|
| 3115 |
|
|
ali_ac97_set(codec, AC97_LINEIN_VOL, 0x0808);
|
| 3116 |
|
|
ali_ac97_set(codec, AC97_RECORD_GAIN, 0x0F0F);
|
| 3117 |
|
|
}
|
| 3118 |
|
|
|
| 3119 |
|
|
if (card->channel[2].used == 1) //if MICin then init codec
|
| 3120 |
|
|
{
|
| 3121 |
|
|
ali_ac97_set(codec, AC97_RECORD_SELECT, 0x0000);
|
| 3122 |
|
|
ali_ac97_set(codec, AC97_MIC_VOL, 0x8808);
|
| 3123 |
|
|
ali_ac97_set(codec, AC97_RECORD_GAIN, 0x0F0F);
|
| 3124 |
|
|
ali_ac97_set(codec, AC97_RECORD_GAIN_MIC, 0x0000);
|
| 3125 |
|
|
}
|
| 3126 |
|
|
|
| 3127 |
|
|
ali_ac97_set(codec, AC97_MASTER_VOL_STEREO, 0x0000);
|
| 3128 |
|
|
ali_ac97_set(codec, AC97_HEADPHONE_VOL, 0x0000);
|
| 3129 |
|
|
ali_ac97_set(codec, AC97_PCMOUT_VOL, 0x0000);
|
| 3130 |
|
|
ali_ac97_set(codec, AC97_CD_VOL, 0x0808);
|
| 3131 |
|
|
ali_ac97_set(codec, AC97_VIDEO_VOL, 0x0808);
|
| 3132 |
|
|
ali_ac97_set(codec, AC97_AUX_VOL, 0x0808);
|
| 3133 |
|
|
ali_ac97_set(codec, AC97_PHONE_VOL, 0x8048);
|
| 3134 |
|
|
ali_ac97_set(codec, AC97_PCBEEP_VOL, 0x0000);
|
| 3135 |
|
|
ali_ac97_set(codec, AC97_GENERAL_PURPOSE, AC97_GP_MIX);
|
| 3136 |
|
|
ali_ac97_set(codec, AC97_MASTER_VOL_MONO, 0x0000);
|
| 3137 |
|
|
ali_ac97_set(codec, 0x38, 0x0000);
|
| 3138 |
|
|
addr = ali_ac97_get(codec, 0x2a);
|
| 3139 |
|
|
ali_ac97_set(codec, 0x2a, addr | 0x0001);
|
| 3140 |
|
|
addr = ali_ac97_get(codec, 0x2a);
|
| 3141 |
|
|
addr = ali_ac97_get(codec, 0x28);
|
| 3142 |
|
|
ali_ac97_set(codec, 0x2c, 0xbb80);
|
| 3143 |
|
|
addr = ali_ac97_get(codec, 0x2c);
|
| 3144 |
|
|
/* power it all up */
|
| 3145 |
|
|
ali_ac97_set(codec, AC97_POWER_CONTROL,
|
| 3146 |
|
|
ali_ac97_get(codec, AC97_POWER_CONTROL) & ~0x7f00);
|
| 3147 |
|
|
/* wait for analog ready */
|
| 3148 |
|
|
for (i = 10; i && ((ali_ac97_get(codec, AC97_POWER_CONTROL) & 0xf) != 0xf); i--) {
|
| 3149 |
|
|
set_current_state(TASK_UNINTERRUPTIBLE);
|
| 3150 |
|
|
schedule_timeout(HZ / 20);
|
| 3151 |
|
|
}
|
| 3152 |
|
|
/* FIXME !! */
|
| 3153 |
|
|
i++;
|
| 3154 |
|
|
return i;
|
| 3155 |
|
|
}
|
| 3156 |
|
|
|
| 3157 |
|
|
|
| 3158 |
|
|
/* I clone ali5455(2.4.7 ) not clone i810_audio(2.4.18) */
|
| 3159 |
|
|
|
| 3160 |
|
|
static int ali_reset_5455(struct ali_card *card)
|
| 3161 |
|
|
{
|
| 3162 |
|
|
outl(0x80000003, card->iobase + ALI_SCR);
|
| 3163 |
|
|
outl(0x83838383, card->iobase + ALI_FIFOCR1);
|
| 3164 |
|
|
outl(0x83838383, card->iobase + ALI_FIFOCR2);
|
| 3165 |
|
|
if (controller_pcmout_share_spdif_locked > 0) {
|
| 3166 |
|
|
outl((inl(card->iobase + ALI_SPDIFICS) | 0x00000001),
|
| 3167 |
|
|
card->iobase + ALI_SPDIFICS);
|
| 3168 |
|
|
outl(0x0408000a, card->iobase + ALI_INTERFACECR);
|
| 3169 |
|
|
} else {
|
| 3170 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 3171 |
|
|
outl((inl(card->iobase + ALI_SCR) | 0x00100000), card->iobase + ALI_SCR); // now I select slot 7 & 8
|
| 3172 |
|
|
outl(0x00200000, card->iobase + ALI_INTERFACECR); //enable codec independent spdifout
|
| 3173 |
|
|
} else
|
| 3174 |
|
|
outl(0x04080002, card->iobase + ALI_INTERFACECR);
|
| 3175 |
|
|
}
|
| 3176 |
|
|
|
| 3177 |
|
|
outl(0x00000000, card->iobase + ALI_INTERRUPTCR);
|
| 3178 |
|
|
outl(0x00000000, card->iobase + ALI_INTERRUPTSR);
|
| 3179 |
|
|
if (controller_independent_spdif_locked > 0)
|
| 3180 |
|
|
outl((inl(card->iobase + ALI_SPDIFICS) | 0x00000001),
|
| 3181 |
|
|
card->iobase + ALI_SPDIFICS);
|
| 3182 |
|
|
return 1;
|
| 3183 |
|
|
}
|
| 3184 |
|
|
|
| 3185 |
|
|
|
| 3186 |
|
|
static int ali_ac97_random_init_stuff(struct ali_card
|
| 3187 |
|
|
*card)
|
| 3188 |
|
|
{
|
| 3189 |
|
|
u32 reg = inl(card->iobase + ALI_SCR);
|
| 3190 |
|
|
int i = 0;
|
| 3191 |
|
|
reg = inl(card->iobase + ALI_SCR);
|
| 3192 |
|
|
if ((reg & 2) == 0) /* Cold required */
|
| 3193 |
|
|
reg |= 2;
|
| 3194 |
|
|
else
|
| 3195 |
|
|
reg |= 1; /* Warm */
|
| 3196 |
|
|
reg &= ~0x80000000; /* ACLink on */
|
| 3197 |
|
|
outl(reg, card->iobase + ALI_SCR);
|
| 3198 |
|
|
|
| 3199 |
|
|
while (i < 10) {
|
| 3200 |
|
|
if ((inl(card->iobase + 0x18) & (1 << 1)) == 0)
|
| 3201 |
|
|
break;
|
| 3202 |
|
|
current->state = TASK_UNINTERRUPTIBLE;
|
| 3203 |
|
|
schedule_timeout(HZ / 20);
|
| 3204 |
|
|
i++;
|
| 3205 |
|
|
}
|
| 3206 |
|
|
if (i == 10) {
|
| 3207 |
|
|
printk(KERN_ERR "ali_audio: AC'97 reset failed.\n");
|
| 3208 |
|
|
return 0;
|
| 3209 |
|
|
}
|
| 3210 |
|
|
|
| 3211 |
|
|
set_current_state(TASK_UNINTERRUPTIBLE);
|
| 3212 |
|
|
schedule_timeout(HZ / 2);
|
| 3213 |
|
|
return 1;
|
| 3214 |
|
|
}
|
| 3215 |
|
|
|
| 3216 |
|
|
/* AC97 codec initialisation. */
|
| 3217 |
|
|
|
| 3218 |
|
|
static int __init ali_ac97_init(struct ali_card *card)
|
| 3219 |
|
|
{
|
| 3220 |
|
|
int num_ac97 = 0;
|
| 3221 |
|
|
int total_channels = 0;
|
| 3222 |
|
|
struct ac97_codec *codec;
|
| 3223 |
|
|
u16 eid;
|
| 3224 |
|
|
|
| 3225 |
|
|
if (!ali_ac97_random_init_stuff(card))
|
| 3226 |
|
|
return 0;
|
| 3227 |
|
|
|
| 3228 |
|
|
/* Number of channels supported */
|
| 3229 |
|
|
/* What about the codec? Just because the ICH supports */
|
| 3230 |
|
|
/* multiple channels doesn't mean the codec does. */
|
| 3231 |
|
|
/* we'll have to modify this in the codec section below */
|
| 3232 |
|
|
/* to reflect what the codec has. */
|
| 3233 |
|
|
/* ICH and ICH0 only support 2 channels so don't bother */
|
| 3234 |
|
|
/* to check.... */
|
| 3235 |
|
|
inl(card->iobase + ALI_CPR);
|
| 3236 |
|
|
card->channels = 2;
|
| 3237 |
|
|
|
| 3238 |
|
|
for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++) {
|
| 3239 |
|
|
|
| 3240 |
|
|
/* Assume codec isn't available until we go through the
|
| 3241 |
|
|
* gauntlet below */
|
| 3242 |
|
|
card->ac97_codec[num_ac97] = NULL;
|
| 3243 |
|
|
/* The ICH programmer's reference says you should */
|
| 3244 |
|
|
/* check the ready status before probing. So we chk */
|
| 3245 |
|
|
/* What do we do if it's not ready? Wait and try */
|
| 3246 |
|
|
/* again, or abort? */
|
| 3247 |
|
|
if (!ali_ac97_exists(card, num_ac97)) {
|
| 3248 |
|
|
if (num_ac97 == 0)
|
| 3249 |
|
|
printk(KERN_ERR "ali_audio: Primary codec not ready.\n");
|
| 3250 |
|
|
break;
|
| 3251 |
|
|
}
|
| 3252 |
|
|
|
| 3253 |
|
|
if ((codec = ac97_alloc_codec()) == NULL)
|
| 3254 |
|
|
return -ENOMEM;
|
| 3255 |
|
|
/* initialize some basic codec information, other fields will be filled
|
| 3256 |
|
|
in ac97_probe_codec */
|
| 3257 |
|
|
codec->private_data = card;
|
| 3258 |
|
|
codec->id = num_ac97;
|
| 3259 |
|
|
codec->codec_read = ali_ac97_get;
|
| 3260 |
|
|
codec->codec_write = ali_ac97_set;
|
| 3261 |
|
|
if (!ali_ac97_probe_and_powerup(card, codec)) {
|
| 3262 |
|
|
printk(KERN_ERR "ali_audio: timed out waiting for codec %d analog ready",
|
| 3263 |
|
|
num_ac97);
|
| 3264 |
|
|
kfree(codec);
|
| 3265 |
|
|
break; /* it didn't work */
|
| 3266 |
|
|
}
|
| 3267 |
|
|
|
| 3268 |
|
|
/* Store state information about S/PDIF transmitter */
|
| 3269 |
|
|
card->ac97_status = 0;
|
| 3270 |
|
|
/* Don't attempt to get eid until powerup is complete */
|
| 3271 |
|
|
eid = ali_ac97_get(codec, AC97_EXTENDED_ID);
|
| 3272 |
|
|
if (eid == 0xFFFF) {
|
| 3273 |
|
|
printk(KERN_ERR "ali_audio: no codec attached ?\n");
|
| 3274 |
|
|
kfree(codec);
|
| 3275 |
|
|
break;
|
| 3276 |
|
|
}
|
| 3277 |
|
|
|
| 3278 |
|
|
card->ac97_features = eid;
|
| 3279 |
|
|
/* Now check the codec for useful features to make up for
|
| 3280 |
|
|
the dumbness of the ali5455 hardware engine */
|
| 3281 |
|
|
if (!(eid & 0x0001))
|
| 3282 |
|
|
printk(KERN_WARNING
|
| 3283 |
|
|
"ali_audio: only 48Khz playback available.\n");
|
| 3284 |
|
|
else {
|
| 3285 |
|
|
if (!ali_ac97_enable_variable_rate(codec)) {
|
| 3286 |
|
|
printk(KERN_WARNING
|
| 3287 |
|
|
"ali_audio: Codec refused to allow VRA, using 48Khz only.\n");
|
| 3288 |
|
|
card->ac97_features &= ~1;
|
| 3289 |
|
|
}
|
| 3290 |
|
|
}
|
| 3291 |
|
|
|
| 3292 |
|
|
/* Determine how many channels the codec(s) support */
|
| 3293 |
|
|
/* - The primary codec always supports 2 */
|
| 3294 |
|
|
/* - If the codec supports AMAP, surround DACs will */
|
| 3295 |
|
|
/* automaticlly get assigned to slots. */
|
| 3296 |
|
|
/* * Check for surround DACs and increment if */
|
| 3297 |
|
|
/* found. */
|
| 3298 |
|
|
/* - Else check if the codec is revision 2.2 */
|
| 3299 |
|
|
/* * If surround DACs exist, assign them to slots */
|
| 3300 |
|
|
/* and increment channel count. */
|
| 3301 |
|
|
|
| 3302 |
|
|
/* All of this only applies to ICH2 and above. ICH */
|
| 3303 |
|
|
/* and ICH0 only support 2 channels. ICH2 will only */
|
| 3304 |
|
|
/* support multiple codecs in a "split audio" config. */
|
| 3305 |
|
|
/* as described above. */
|
| 3306 |
|
|
|
| 3307 |
|
|
/* TODO: Remove all the debugging messages! */
|
| 3308 |
|
|
|
| 3309 |
|
|
if ((eid & 0xc000) == 0) /* primary codec */
|
| 3310 |
|
|
total_channels += 2;
|
| 3311 |
|
|
if ((codec->dev_mixer = register_sound_mixer(&ali_mixer_fops, -1)) < 0) {
|
| 3312 |
|
|
printk(KERN_ERR "ali_audio: couldn't register mixer!\n");
|
| 3313 |
|
|
kfree(codec);
|
| 3314 |
|
|
break;
|
| 3315 |
|
|
}
|
| 3316 |
|
|
card->ac97_codec[num_ac97] = codec;
|
| 3317 |
|
|
}
|
| 3318 |
|
|
/* pick the minimum of channels supported by ICHx or codec(s) */
|
| 3319 |
|
|
card->channels = (card->channels > total_channels) ? total_channels : card->channels;
|
| 3320 |
|
|
return num_ac97;
|
| 3321 |
|
|
}
|
| 3322 |
|
|
|
| 3323 |
|
|
static void __init ali_configure_clocking(void)
|
| 3324 |
|
|
{
|
| 3325 |
|
|
struct ali_card *card;
|
| 3326 |
|
|
struct ali_state *state;
|
| 3327 |
|
|
struct dmabuf *dmabuf;
|
| 3328 |
|
|
unsigned int i, offset, new_offset;
|
| 3329 |
|
|
unsigned long flags;
|
| 3330 |
|
|
card = devs;
|
| 3331 |
|
|
|
| 3332 |
|
|
/* We could try to set the clocking for multiple cards, but can you even have
|
| 3333 |
|
|
* more than one ali in a machine? Besides, clocking is global, so unless
|
| 3334 |
|
|
* someone actually thinks more than one ali in a machine is possible and
|
| 3335 |
|
|
* decides to rewrite that little bit, setting the rate for more than one card
|
| 3336 |
|
|
* is a waste of time.
|
| 3337 |
|
|
*/
|
| 3338 |
|
|
if (card != NULL) {
|
| 3339 |
|
|
state = card->states[0] = (struct ali_state *)
|
| 3340 |
|
|
kmalloc(sizeof(struct ali_state), GFP_KERNEL);
|
| 3341 |
|
|
if (state == NULL)
|
| 3342 |
|
|
return;
|
| 3343 |
|
|
memset(state, 0, sizeof(struct ali_state));
|
| 3344 |
|
|
dmabuf = &state->dmabuf;
|
| 3345 |
|
|
dmabuf->write_channel = card->alloc_pcm_channel(card);
|
| 3346 |
|
|
state->virt = 0;
|
| 3347 |
|
|
state->card = card;
|
| 3348 |
|
|
state->magic = ALI5455_STATE_MAGIC;
|
| 3349 |
|
|
init_waitqueue_head(&dmabuf->wait);
|
| 3350 |
|
|
init_MUTEX(&state->open_sem);
|
| 3351 |
|
|
dmabuf->fmt = ALI5455_FMT_STEREO | ALI5455_FMT_16BIT;
|
| 3352 |
|
|
dmabuf->trigger = PCM_ENABLE_OUTPUT;
|
| 3353 |
|
|
ali_set_dac_rate(state, 48000);
|
| 3354 |
|
|
if (prog_dmabuf(state, 0) != 0)
|
| 3355 |
|
|
goto config_out_nodmabuf;
|
| 3356 |
|
|
|
| 3357 |
|
|
if (dmabuf->dmasize < 16384)
|
| 3358 |
|
|
goto config_out;
|
| 3359 |
|
|
|
| 3360 |
|
|
dmabuf->count = dmabuf->dmasize;
|
| 3361 |
|
|
outb(31, card->iobase + dmabuf->write_channel->port + OFF_LVI);
|
| 3362 |
|
|
|
| 3363 |
|
|
save_flags(flags);
|
| 3364 |
|
|
cli();
|
| 3365 |
|
|
start_dac(state);
|
| 3366 |
|
|
offset = ali_get_dma_addr(state, 0);
|
| 3367 |
|
|
mdelay(50);
|
| 3368 |
|
|
new_offset = ali_get_dma_addr(state, 0);
|
| 3369 |
|
|
stop_dac(state);
|
| 3370 |
|
|
|
| 3371 |
|
|
outb(2, card->iobase + dmabuf->write_channel->port + OFF_CR);
|
| 3372 |
|
|
restore_flags(flags);
|
| 3373 |
|
|
|
| 3374 |
|
|
i = new_offset - offset;
|
| 3375 |
|
|
|
| 3376 |
|
|
if (i == 0)
|
| 3377 |
|
|
goto config_out;
|
| 3378 |
|
|
i = i / 4 * 20;
|
| 3379 |
|
|
if (i > 48500 || i < 47500) {
|
| 3380 |
|
|
clocking = clocking * clocking / i;
|
| 3381 |
|
|
}
|
| 3382 |
|
|
config_out:
|
| 3383 |
|
|
dealloc_dmabuf(state);
|
| 3384 |
|
|
config_out_nodmabuf:
|
| 3385 |
|
|
state->card->free_pcm_channel(state->card, state->dmabuf. write_channel->num);
|
| 3386 |
|
|
kfree(state);
|
| 3387 |
|
|
card->states[0] = NULL;
|
| 3388 |
|
|
}
|
| 3389 |
|
|
}
|
| 3390 |
|
|
|
| 3391 |
|
|
/* install the driver, we do not allocate hardware channel nor DMA buffer now, they are defered
|
| 3392 |
|
|
until "ACCESS" time (in prog_dmabuf called by open/read/write/ioctl/mmap) */
|
| 3393 |
|
|
|
| 3394 |
|
|
static int __init ali_probe(struct pci_dev *pci_dev, const struct pci_device_id
|
| 3395 |
|
|
*pci_id)
|
| 3396 |
|
|
{
|
| 3397 |
|
|
struct ali_card *card;
|
| 3398 |
|
|
if (pci_enable_device(pci_dev))
|
| 3399 |
|
|
return -EIO;
|
| 3400 |
|
|
if (pci_set_dma_mask(pci_dev, ALI5455_DMA_MASK)) {
|
| 3401 |
|
|
printk(KERN_ERR "ali5455: architecture does not support"
|
| 3402 |
|
|
" 32bit PCI busmaster DMA\n");
|
| 3403 |
|
|
return -ENODEV;
|
| 3404 |
|
|
}
|
| 3405 |
|
|
|
| 3406 |
|
|
if ((card = kmalloc(sizeof(struct ali_card), GFP_KERNEL)) == NULL) {
|
| 3407 |
|
|
printk(KERN_ERR "ali_audio: out of memory\n");
|
| 3408 |
|
|
return -ENOMEM;
|
| 3409 |
|
|
}
|
| 3410 |
|
|
memset(card, 0, sizeof(*card));
|
| 3411 |
|
|
card->initializing = 1;
|
| 3412 |
|
|
card->iobase = pci_resource_start(pci_dev, 0);
|
| 3413 |
|
|
card->pci_dev = pci_dev;
|
| 3414 |
|
|
card->pci_id = pci_id->device;
|
| 3415 |
|
|
card->irq = pci_dev->irq;
|
| 3416 |
|
|
card->next = devs;
|
| 3417 |
|
|
card->magic = ALI5455_CARD_MAGIC;
|
| 3418 |
|
|
#ifdef CONFIG_PM
|
| 3419 |
|
|
card->pm_suspended = 0;
|
| 3420 |
|
|
#endif
|
| 3421 |
|
|
spin_lock_init(&card->lock);
|
| 3422 |
|
|
spin_lock_init(&card->ac97_lock);
|
| 3423 |
|
|
devs = card;
|
| 3424 |
|
|
pci_set_master(pci_dev);
|
| 3425 |
|
|
printk(KERN_INFO "ali: %s found at IO 0x%04lx, IRQ %d\n",
|
| 3426 |
|
|
card_names[pci_id->driver_data], card->iobase, card->irq);
|
| 3427 |
|
|
card->alloc_pcm_channel = ali_alloc_pcm_channel;
|
| 3428 |
|
|
card->alloc_rec_pcm_channel = ali_alloc_rec_pcm_channel;
|
| 3429 |
|
|
card->alloc_rec_mic_channel = ali_alloc_rec_mic_channel;
|
| 3430 |
|
|
card->alloc_codec_spdifout_channel = ali_alloc_codec_spdifout_channel;
|
| 3431 |
|
|
card->alloc_controller_spdifout_channel = ali_alloc_controller_spdifout_channel;
|
| 3432 |
|
|
card->free_pcm_channel = ali_free_pcm_channel;
|
| 3433 |
|
|
card->channel[0].offset = 0;
|
| 3434 |
|
|
card->channel[0].port = 0x40;
|
| 3435 |
|
|
card->channel[0].num = 0;
|
| 3436 |
|
|
card->channel[1].offset = 0;
|
| 3437 |
|
|
card->channel[1].port = 0x50;
|
| 3438 |
|
|
card->channel[1].num = 1;
|
| 3439 |
|
|
card->channel[2].offset = 0;
|
| 3440 |
|
|
card->channel[2].port = 0x60;
|
| 3441 |
|
|
card->channel[2].num = 2;
|
| 3442 |
|
|
card->channel[3].offset = 0;
|
| 3443 |
|
|
card->channel[3].port = 0x70;
|
| 3444 |
|
|
card->channel[3].num = 3;
|
| 3445 |
|
|
card->channel[4].offset = 0;
|
| 3446 |
|
|
card->channel[4].port = 0xb0;
|
| 3447 |
|
|
card->channel[4].num = 4;
|
| 3448 |
|
|
/* claim our iospace and irq */
|
| 3449 |
|
|
request_region(card->iobase, 256, card_names[pci_id->driver_data]);
|
| 3450 |
|
|
if (request_irq(card->irq, &ali_interrupt, SA_SHIRQ,
|
| 3451 |
|
|
card_names[pci_id->driver_data], card)) {
|
| 3452 |
|
|
printk(KERN_ERR "ali_audio: unable to allocate irq %d\n",
|
| 3453 |
|
|
card->irq);
|
| 3454 |
|
|
release_region(card->iobase, 256);
|
| 3455 |
|
|
kfree(card);
|
| 3456 |
|
|
return -ENODEV;
|
| 3457 |
|
|
}
|
| 3458 |
|
|
|
| 3459 |
|
|
if (ali_reset_5455(card) <= 0) {
|
| 3460 |
|
|
unregister_sound_dsp(card->dev_audio);
|
| 3461 |
|
|
release_region(card->iobase, 256);
|
| 3462 |
|
|
free_irq(card->irq, card);
|
| 3463 |
|
|
kfree(card);
|
| 3464 |
|
|
return -ENODEV;
|
| 3465 |
|
|
}
|
| 3466 |
|
|
|
| 3467 |
|
|
/* initialize AC97 codec and register /dev/mixer */
|
| 3468 |
|
|
if (ali_ac97_init(card) < 0) {
|
| 3469 |
|
|
release_region(card->iobase, 256);
|
| 3470 |
|
|
free_irq(card->irq, card);
|
| 3471 |
|
|
kfree(card);
|
| 3472 |
|
|
return -ENODEV;
|
| 3473 |
|
|
}
|
| 3474 |
|
|
|
| 3475 |
|
|
pci_set_drvdata(pci_dev, card);
|
| 3476 |
|
|
|
| 3477 |
|
|
if (clocking == 0) {
|
| 3478 |
|
|
clocking = 48000;
|
| 3479 |
|
|
ali_configure_clocking();
|
| 3480 |
|
|
}
|
| 3481 |
|
|
|
| 3482 |
|
|
/* register /dev/dsp */
|
| 3483 |
|
|
if ((card->dev_audio = register_sound_dsp(&ali_audio_fops, -1)) < 0) {
|
| 3484 |
|
|
int i;
|
| 3485 |
|
|
printk(KERN_ERR"ali_audio: couldn't register DSP device!\n");
|
| 3486 |
|
|
release_region(card->iobase, 256);
|
| 3487 |
|
|
free_irq(card->irq, card);
|
| 3488 |
|
|
for (i = 0; i < NR_AC97; i++)
|
| 3489 |
|
|
if (card->ac97_codec[i] != NULL) {
|
| 3490 |
|
|
unregister_sound_mixer(card->ac97_codec[i]->dev_mixer);
|
| 3491 |
|
|
kfree(card->ac97_codec[i]);
|
| 3492 |
|
|
}
|
| 3493 |
|
|
kfree(card);
|
| 3494 |
|
|
return -ENODEV;
|
| 3495 |
|
|
}
|
| 3496 |
|
|
card->initializing = 0;
|
| 3497 |
|
|
return 0;
|
| 3498 |
|
|
}
|
| 3499 |
|
|
|
| 3500 |
|
|
static void __devexit ali_remove(struct pci_dev *pci_dev)
|
| 3501 |
|
|
{
|
| 3502 |
|
|
int i;
|
| 3503 |
|
|
struct ali_card *card = pci_get_drvdata(pci_dev);
|
| 3504 |
|
|
/* free hardware resources */
|
| 3505 |
|
|
free_irq(card->irq, devs);
|
| 3506 |
|
|
release_region(card->iobase, 256);
|
| 3507 |
|
|
/* unregister audio devices */
|
| 3508 |
|
|
for (i = 0; i < NR_AC97; i++)
|
| 3509 |
|
|
if (card->ac97_codec[i] != NULL) {
|
| 3510 |
|
|
unregister_sound_mixer(card->ac97_codec[i]->
|
| 3511 |
|
|
dev_mixer);
|
| 3512 |
|
|
ac97_release_codec(card->ac97_codec[i]);
|
| 3513 |
|
|
card->ac97_codec[i] = NULL;
|
| 3514 |
|
|
}
|
| 3515 |
|
|
unregister_sound_dsp(card->dev_audio);
|
| 3516 |
|
|
kfree(card);
|
| 3517 |
|
|
}
|
| 3518 |
|
|
|
| 3519 |
|
|
#ifdef CONFIG_PM
|
| 3520 |
|
|
static int ali_pm_suspend(struct pci_dev *dev, u32 pm_state)
|
| 3521 |
|
|
{
|
| 3522 |
|
|
struct ali_card *card = pci_get_drvdata(dev);
|
| 3523 |
|
|
struct ali_state *state;
|
| 3524 |
|
|
unsigned long flags;
|
| 3525 |
|
|
struct dmabuf *dmabuf;
|
| 3526 |
|
|
int i, num_ac97;
|
| 3527 |
|
|
|
| 3528 |
|
|
if (!card)
|
| 3529 |
|
|
return 0;
|
| 3530 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
| 3531 |
|
|
card->pm_suspended = 1;
|
| 3532 |
|
|
for (i = 0; i < NR_HW_CH; i++) {
|
| 3533 |
|
|
state = card->states[i];
|
| 3534 |
|
|
if (!state)
|
| 3535 |
|
|
continue;
|
| 3536 |
|
|
/* this happens only if there are open files */
|
| 3537 |
|
|
dmabuf = &state->dmabuf;
|
| 3538 |
|
|
if (dmabuf->enable & DAC_RUNNING ||
|
| 3539 |
|
|
(dmabuf->count
|
| 3540 |
|
|
&& (dmabuf->trigger & PCM_ENABLE_OUTPUT))) {
|
| 3541 |
|
|
state->pm_saved_dac_rate = dmabuf->rate;
|
| 3542 |
|
|
stop_dac(state);
|
| 3543 |
|
|
} else {
|
| 3544 |
|
|
state->pm_saved_dac_rate = 0;
|
| 3545 |
|
|
}
|
| 3546 |
|
|
if (dmabuf->enable & ADC_RUNNING) {
|
| 3547 |
|
|
state->pm_saved_adc_rate = dmabuf->rate;
|
| 3548 |
|
|
stop_adc(state);
|
| 3549 |
|
|
} else {
|
| 3550 |
|
|
state->pm_saved_adc_rate = 0;
|
| 3551 |
|
|
}
|
| 3552 |
|
|
dmabuf->ready = 0;
|
| 3553 |
|
|
dmabuf->swptr = dmabuf->hwptr = 0;
|
| 3554 |
|
|
dmabuf->count = dmabuf->total_bytes = 0;
|
| 3555 |
|
|
}
|
| 3556 |
|
|
|
| 3557 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
| 3558 |
|
|
/* save mixer settings */
|
| 3559 |
|
|
for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++) {
|
| 3560 |
|
|
struct ac97_codec *codec = card->ac97_codec[num_ac97];
|
| 3561 |
|
|
if (!codec)
|
| 3562 |
|
|
continue;
|
| 3563 |
|
|
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
|
| 3564 |
|
|
if ((supported_mixer(codec, i)) && (codec->read_mixer)) {
|
| 3565 |
|
|
card->pm_saved_mixer_settings[i][num_ac97] = codec->read_mixer(codec, i);
|
| 3566 |
|
|
}
|
| 3567 |
|
|
}
|
| 3568 |
|
|
}
|
| 3569 |
|
|
pci_save_state(dev, card->pm_save_state); /* XXX do we need this? */
|
| 3570 |
|
|
pci_disable_device(dev); /* disable busmastering */
|
| 3571 |
|
|
pci_set_power_state(dev, 3); /* Zzz. */
|
| 3572 |
|
|
return 0;
|
| 3573 |
|
|
}
|
| 3574 |
|
|
|
| 3575 |
|
|
|
| 3576 |
|
|
static int ali_pm_resume(struct pci_dev *dev)
|
| 3577 |
|
|
{
|
| 3578 |
|
|
int num_ac97, i = 0;
|
| 3579 |
|
|
struct ali_card *card = pci_get_drvdata(dev);
|
| 3580 |
|
|
pci_enable_device(dev);
|
| 3581 |
|
|
pci_restore_state(dev, card->pm_save_state);
|
| 3582 |
|
|
/* observation of a toshiba portege 3440ct suggests that the
|
| 3583 |
|
|
hardware has to be more or less completely reinitialized from
|
| 3584 |
|
|
scratch after an apm suspend. Works For Me. -dan */
|
| 3585 |
|
|
ali_ac97_random_init_stuff(card);
|
| 3586 |
|
|
for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++) {
|
| 3587 |
|
|
struct ac97_codec *codec = card->ac97_codec[num_ac97];
|
| 3588 |
|
|
/* check they haven't stolen the hardware while we were
|
| 3589 |
|
|
away */
|
| 3590 |
|
|
if (!codec || !ali_ac97_exists(card, num_ac97)) {
|
| 3591 |
|
|
if (num_ac97)
|
| 3592 |
|
|
continue;
|
| 3593 |
|
|
else
|
| 3594 |
|
|
BUG();
|
| 3595 |
|
|
}
|
| 3596 |
|
|
if (!ali_ac97_probe_and_powerup(card, codec))
|
| 3597 |
|
|
BUG();
|
| 3598 |
|
|
if ((card->ac97_features & 0x0001)) {
|
| 3599 |
|
|
/* at probe time we found we could do variable
|
| 3600 |
|
|
rates, but APM suspend has made it forget
|
| 3601 |
|
|
its magical powers */
|
| 3602 |
|
|
if (!ali_ac97_enable_variable_rate(codec))
|
| 3603 |
|
|
BUG();
|
| 3604 |
|
|
}
|
| 3605 |
|
|
/* we lost our mixer settings, so restore them */
|
| 3606 |
|
|
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
|
| 3607 |
|
|
if (supported_mixer(codec, i)) {
|
| 3608 |
|
|
int val = card->pm_saved_mixer_settings[i][num_ac97];
|
| 3609 |
|
|
codec->mixer_state[i] = val;
|
| 3610 |
|
|
codec->write_mixer(codec, i,
|
| 3611 |
|
|
(val & 0xff),
|
| 3612 |
|
|
((val >> 8) & 0xff));
|
| 3613 |
|
|
}
|
| 3614 |
|
|
}
|
| 3615 |
|
|
}
|
| 3616 |
|
|
|
| 3617 |
|
|
/* we need to restore the sample rate from whatever it was */
|
| 3618 |
|
|
for (i = 0; i < NR_HW_CH; i++) {
|
| 3619 |
|
|
struct ali_state *state = card->states[i];
|
| 3620 |
|
|
if (state) {
|
| 3621 |
|
|
if (state->pm_saved_adc_rate)
|
| 3622 |
|
|
ali_set_adc_rate(state, state->pm_saved_adc_rate);
|
| 3623 |
|
|
if (state->pm_saved_dac_rate)
|
| 3624 |
|
|
ali_set_dac_rate(state, state->pm_saved_dac_rate);
|
| 3625 |
|
|
}
|
| 3626 |
|
|
}
|
| 3627 |
|
|
|
| 3628 |
|
|
card->pm_suspended = 0;
|
| 3629 |
|
|
/* any processes that were reading/writing during the suspend
|
| 3630 |
|
|
probably ended up here */
|
| 3631 |
|
|
for (i = 0; i < NR_HW_CH; i++) {
|
| 3632 |
|
|
struct ali_state *state = card->states[i];
|
| 3633 |
|
|
if (state)
|
| 3634 |
|
|
wake_up(&state->dmabuf.wait);
|
| 3635 |
|
|
}
|
| 3636 |
|
|
return 0;
|
| 3637 |
|
|
}
|
| 3638 |
|
|
#endif /* CONFIG_PM */
|
| 3639 |
|
|
|
| 3640 |
|
|
MODULE_AUTHOR("");
|
| 3641 |
|
|
MODULE_DESCRIPTION("ALI 5455 audio support");
|
| 3642 |
|
|
MODULE_LICENSE("GPL");
|
| 3643 |
|
|
MODULE_PARM(clocking, "i");
|
| 3644 |
|
|
MODULE_PARM(strict_clocking, "i");
|
| 3645 |
|
|
MODULE_PARM(codec_pcmout_share_spdif_locked, "i");
|
| 3646 |
|
|
MODULE_PARM(codec_independent_spdif_locked, "i");
|
| 3647 |
|
|
MODULE_PARM(controller_pcmout_share_spdif_locked, "i");
|
| 3648 |
|
|
MODULE_PARM(controller_independent_spdif_locked, "i");
|
| 3649 |
|
|
|
| 3650 |
|
|
#define ALI5455_MODULE_NAME "ali5455"
|
| 3651 |
|
|
|
| 3652 |
|
|
static struct pci_driver ali_pci_driver = {
|
| 3653 |
|
|
name: ALI5455_MODULE_NAME,
|
| 3654 |
|
|
id_table: ali_pci_tbl,
|
| 3655 |
|
|
probe: ali_probe,
|
| 3656 |
|
|
remove: __devexit_p(ali_remove),
|
| 3657 |
|
|
#ifdef CONFIG_PM
|
| 3658 |
|
|
suspend: ali_pm_suspend,
|
| 3659 |
|
|
resume: ali_pm_resume,
|
| 3660 |
|
|
#endif /* CONFIG_PM */
|
| 3661 |
|
|
};
|
| 3662 |
|
|
|
| 3663 |
|
|
static int __init ali_init_module(void)
|
| 3664 |
|
|
{
|
| 3665 |
|
|
if (!pci_present()) /* No PCI bus in this machine! */
|
| 3666 |
|
|
return -ENODEV;
|
| 3667 |
|
|
printk(KERN_INFO "ALI 5455 + AC97 Audio, version "
|
| 3668 |
|
|
DRIVER_VERSION ", " __TIME__ " " __DATE__ "\n");
|
| 3669 |
|
|
|
| 3670 |
|
|
if (codec_independent_spdif_locked > 0) {
|
| 3671 |
|
|
if (codec_independent_spdif_locked == 32000
|
| 3672 |
|
|
|| codec_independent_spdif_locked == 44100
|
| 3673 |
|
|
|| codec_independent_spdif_locked == 48000) {
|
| 3674 |
|
|
printk(KERN_INFO "ali_audio: Enabling S/PDIF at sample rate %dHz.\n", codec_independent_spdif_locked);
|
| 3675 |
|
|
} else {
|
| 3676 |
|
|
printk(KERN_INFO "ali_audio: S/PDIF can only be locked to 32000, 44100, or 48000Hz.\n");
|
| 3677 |
|
|
codec_independent_spdif_locked = 0;
|
| 3678 |
|
|
}
|
| 3679 |
|
|
}
|
| 3680 |
|
|
if (controller_independent_spdif_locked > 0) {
|
| 3681 |
|
|
if (controller_independent_spdif_locked == 32000
|
| 3682 |
|
|
|| controller_independent_spdif_locked == 44100
|
| 3683 |
|
|
|| controller_independent_spdif_locked == 48000) {
|
| 3684 |
|
|
printk(KERN_INFO "ali_audio: Enabling S/PDIF at sample rate %dHz.\n", controller_independent_spdif_locked);
|
| 3685 |
|
|
} else {
|
| 3686 |
|
|
printk(KERN_INFO "ali_audio: S/PDIF can only be locked to 32000, 44100, or 48000Hz.\n");
|
| 3687 |
|
|
controller_independent_spdif_locked = 0;
|
| 3688 |
|
|
}
|
| 3689 |
|
|
}
|
| 3690 |
|
|
|
| 3691 |
|
|
if (codec_pcmout_share_spdif_locked > 0) {
|
| 3692 |
|
|
if (codec_pcmout_share_spdif_locked == 32000
|
| 3693 |
|
|
|| codec_pcmout_share_spdif_locked == 44100
|
| 3694 |
|
|
|| codec_pcmout_share_spdif_locked == 48000) {
|
| 3695 |
|
|
printk(KERN_INFO "ali_audio: Enabling S/PDIF at sample rate %dHz.\n", codec_pcmout_share_spdif_locked);
|
| 3696 |
|
|
} else {
|
| 3697 |
|
|
printk(KERN_INFO "ali_audio: S/PDIF can only be locked to 32000, 44100, or 48000Hz.\n");
|
| 3698 |
|
|
codec_pcmout_share_spdif_locked = 0;
|
| 3699 |
|
|
}
|
| 3700 |
|
|
}
|
| 3701 |
|
|
if (controller_pcmout_share_spdif_locked > 0) {
|
| 3702 |
|
|
if (controller_pcmout_share_spdif_locked == 32000
|
| 3703 |
|
|
|| controller_pcmout_share_spdif_locked == 44100
|
| 3704 |
|
|
|| controller_pcmout_share_spdif_locked == 48000) {
|
| 3705 |
|
|
printk(KERN_INFO "ali_audio: Enabling controller S/PDIF at sample rate %dHz.\n", controller_pcmout_share_spdif_locked);
|
| 3706 |
|
|
} else {
|
| 3707 |
|
|
printk(KERN_INFO "ali_audio: S/PDIF can only be locked to 32000, 44100, or 48000Hz.\n");
|
| 3708 |
|
|
controller_pcmout_share_spdif_locked = 0;
|
| 3709 |
|
|
}
|
| 3710 |
|
|
}
|
| 3711 |
|
|
if (!pci_register_driver(&ali_pci_driver)) {
|
| 3712 |
|
|
pci_unregister_driver(&ali_pci_driver);
|
| 3713 |
|
|
return -ENODEV;
|
| 3714 |
|
|
}
|
| 3715 |
|
|
return 0;
|
| 3716 |
|
|
}
|
| 3717 |
|
|
|
| 3718 |
|
|
static void __exit ali_cleanup_module(void)
|
| 3719 |
|
|
{
|
| 3720 |
|
|
pci_unregister_driver(&ali_pci_driver);
|
| 3721 |
|
|
}
|
| 3722 |
|
|
|
| 3723 |
|
|
module_init(ali_init_module);
|
| 3724 |
|
|
module_exit(ali_cleanup_module);
|
| 3725 |
|
|
/*
|
| 3726 |
|
|
Local Variables:
|
| 3727 |
|
|
c-basic-offset: 8
|
| 3728 |
|
|
End:
|
| 3729 |
|
|
*/
|
